Suspension device

Abstract

A strap (10) and a combined strap (10) and loop (30). The combined straps and loops may be reusable for hanging containers (50), particularly in showers. The capability of repeatedly using the suspension product reduces the environmental burden caused by disposable use. The loop (30) comprises two handle buttons (34, 36) which are received within the opening at the free end of the strap (10) when the loop and the strap are combined. The strips and rings are preferably made of a flexible elastic material, and the ring (30) has a generally smaller diameter than the container (50) to be suspended, the flexible elastic material of the ring firmly grasping the container. The strip preferably comprises an integral central section (12) and two integral side sections (14a, 14b, 16a, 16b). The integral central section comprises an opening (18) and the two side sections comprise openings, each opening preferably having a larger portion (14b, 16b) and a smaller portion (14a, 16a) communicating with each other. The central section is wider than the end sections to facilitate hanging of the strip from the central section opening. For two knobs on the ring, each knob comprises a stem (40, 41) and a head (35, 38), and the strap is suspended by inserting the knob into the opening of the end section.

Description

Background Technology

[0001] Shower gel is a popular product used in the shower. In addition to skin-cleansing ingredients, some shower gels also contain skin-beneficial agents. Body washing is preferred in many households where it may not be ideal for different family members to use the same soap or beauty bar.

[0002] In homes and other shower settings where bath bottles or other containers are used, having a device for hanging the package is useful. Firstly, keeping the bath package within easy reach during the shower minimizes the risk of slipping and falling. Secondly, people with disabilities will benefit from an easy-to-use means of handling the package. Furthermore, if vision is somewhat obstructed by shampoo or similar substances, a hanging device for bath products makes it easier to find the product.

[0003] Concerns about the amount of plastic discarded into our environment have increased expectations for the use of non-plastic materials and the reuse of plastic items. Therefore, there is a need for a reusable hanging device for bath containers that meets the need for a convenient way to hang products without resulting in an additional, frequent contribution of plastic to the environment.

[0004] Various suspension devices have been disclosed in patent documents.

[0005] CN 2 907 705 Y discloses an infusion bottle hook suspension sleeve. A strip (2) having two integral free side sections and an integral central section, the strip being made of a flexible material, the strip having an opening (6) on each side section, the opening being defined by an opening sidewall in the strip, the opening being completely surrounded by the opening sidewall on all its sides, wherein each opening on the side includes a first section communicating with each other (see...). Figure 3 The first section is larger than the second section, and the central section includes a central opening (5) defined by an opening sidewall in the strip, the central opening being completely surrounded on all its sides by the opening sidewall (see [link]). Figure 3 Blood transfusions can be performed when the middle portion of the hook suspension strip is suspended on the hook.

[0006] US 2021 / 0371163 by Moss et al. discloses a bottle handle with a detachable strip. The bottle handle may have a base member with a first button and a second button, and a bottle engagement portion with an annular shape configured to receive and grip the bottle. The strip may have a first end and a second end with clips for receiving the buttons. The base member may be formed of an elastomer configured to stretch such that the bottle can be inserted into the bottle engagement portion. Separating the base member from the bottle may include stretching the bottle engagement portion. The buttons may have a head and a neck narrower than the head. Each clip may have an enlarged portion and a smaller portion, the enlarged portion being sized to allow the button head to pass through, and the smaller portion being sized to receive the neck but not allow the button head to pass through.

[0007] Keicher's US 5,749,490 relates to a suspension device for a bottle. The suspension device includes a thin material belly having an opening for the bottle neck and another opening for suspending it on a hook on a wall. The belly may also have an opening at one end sized to receive the bottle body, and an opening at the other end to receive the bottle neck. More than one opening of different sizes may be provided to receive the bottle neck.

[0008] Hidding's US3275366 relates to a carrier or support for use with bottles and handle components. The various elements of the support 20 are advantageously made of a tough, elastic material, such as polyolefin plastic; thus, the collar section 30, lugs 32 and 34, and ear 36 can be easily molded in an integral relationship. Similarly, the connecting member 38 and the handle member 42 can be "molded integrally." In Figures 19 and 20, the lugs are received in oval openings.

[0009] Ledestma et al.’s US20200046174, Hendrickson’s US20180049572, Becker’s US6131780, and Holoubek’s US 4,007,900 disclose various suspension devices for bottles or tubes. Summary of the Invention

[0010] In one aspect, the present invention relates to a strip having two integral free side segments and an integral central segment. The strip may be made of a flexible material. The strip has an opening in each side segment, the opening being defined by an opening sidewall in the strip, and the opening being completely surrounded by the opening sidewall on all its sides.

[0011] In one embodiment, each opening in the side section includes a first portion and a second portion communicating with each other, wherein the first portion is larger than the second portion. The first opening is shaped to receive a knob having a head and a rod, and the second opening is shaped to receive only the rod, such that the knob head can pass through the first section, and further, the second section can receive the rod of the knob to hold the strip on the knob. The first opening does not actually need to be larger than the diameter of the knob head; the important thing in this respect is that the knob head can enter the side section opening, the rod is received by the second section, and the knob head is large enough to hold the strip when the strip is used to suspend the bottle.

[0012] In an alternative embodiment, each side of the strip has an opening through which a handle and rod can pass, and at least the distal aspect of each opening is small enough that the handle head cannot pass through in a direction perpendicular to the plane of the strip, and the distal aspect is large enough to accommodate the rod when the bottle is suspended on the strip and loop. In this case, the opening may, but need not, have a uniform width, and the handle head can be inserted along its edge even if the diameter of the handle head is larger than the opening. Once the handle head and rod have been inserted into the respective opening, the strip can be pulled upwards, and the distal aspect of the opening accommodates the rod while the handle head prevents the strip from being removed from the handle.

[0013] The central section of the strip includes a central opening that is completely closed by the strip, and this central opening can be used to suspend the strip.

[0014] Strips can be used to suspend packages, especially when combined with loops.

[0015] On the other hand, a strip, as just described, can be combined with a separate ring suitable for holding a container. The strip can be attached to the ring, and the combined strip and ring can be used to suspend the container, with the ring gripping and securely holding it. As in the previous aspect, in this aspect, the strip comprises two integral free side sections and an integral central section, the strip being made of a flexible material. Each side section includes an opening defined by opening sidewalls, the opening being completely surrounded by the opening sidewalls on all its sides. According to one embodiment, each side section opening includes a first opening portion and a second opening portion, wherein the first portion is larger than the second portion. The first and second opening portions communicate with each other; for example, on each side, a rod can freely pass laterally from one opening portion to the other opening portion.

[0016] The ring comprises an annular cylinder of flexible material with first and second buttons, each button having a button head, and each button head being attached to a balancing portion of the ring, i.e., to the cylinder, via a rod. Side section openings of the strip are adapted to receive the buttons and rods of the ring. The central section of the strip includes an opening completely closed by the strip. The maximum width of the second section opening (a distance perpendicular to the longitudinal axis of the strip) is substantially smaller than the maximum diameter of the button head, and the maximum diameter of the rod is smaller than the maximum diameter of the button head, thereby allowing the button head and button rod to pass through the first section in a direction substantially perpendicular to the plane of the strip, and allowing the second section to receive the button rod while holding the strip on the button due to the smaller size of the second section opening relative to the button head.

[0017] In an alternative embodiment using a strip and loop combination, the side openings on the strip do not need to be of different sizes, and the button head can be inserted along its edge. The size of the side opening allows the rod to travel within it, but is too small to allow the button head to pass through the opening in a direction perpendicular to the plane of the strip. Once each button head and rod has been inserted into the corresponding opening, the strip can be pulled upwards, and at least the distal end of the opening accommodates the rod, while the button head prevents the strip from being removed from the button.

[0018] In a first embodiment of the invention, for each side or side segment of the strip, a first larger portion is closer to the central segment, and a second smaller portion is farther from the central segment. The ring preferably has a circumference smaller than the circumference of the bottle or other container in its unstretched state, thereby securing the ring firmly to the bottle. The bottle is preferably cylindrical with a circular circumference. The ring's gripping on the container can be facilitated by including a ridge on the container above the position where the ring is intended to grip the container. In this way, if the ring slides on the container during use (e.g., when carried or suspended), the ring will abut against the ridge, which will prevent the ring from leaving the bottle.

[0019] The strip preferably has a central section whose maximum width is greater than the maximum width of the two side sections. When the central section has an opening, the larger width is considered to facilitate stable hanging of the strip on a shower curtain, hook, or similar object through the central opening. Typically, the opening in the central section will have a greater length than the openings in the two side sections.

[0020] The present invention also relates to a method of suspending a bottle from a post, hook, or other surface using the strip of the present invention and combinations of strips and loops. The bottle can be suspended by taking the free end of the strip, passing it above or below the post, hook, or other fixed surface, and securing the free end to a handle on the strip. If desired, both ends of the strip can be free as they pass above or below the post, and both ends can then be secured to handles on the loops. Alternatively, the bottle can be suspended by passing the post or hook through an opening in the central section before or after securing the ends of the strip to the two handles of the strip on the bottle.

[0021] In a particularly advantageous embodiment, the bottle is suspended in an inverted position, which causes the product to tend to flow toward the bottle opening and, in some cases, makes it easier to open the bottle with one hand.

[0022] In summary, the present invention may include one or any or all of the following features: A strip having at least two integral free side segments and an integral central segment; Strips made of flexible materials; The strip has an opening in each side segment; The strip has an opening defined by an opening sidewall in the strip, wherein the opening is surrounded by the opening sidewall on all its sides; The strip has an opening in the side section, the opening comprising a first portion and a second portion communicating with each other, wherein the first portion is larger than the second portion; The strip has a first opening on each side and a second opening communicating with the first opening. The first opening is shaped to receive a button having a head and a rod. The second opening is shaped to receive only the rod, such that the button head can pass through the first section, and further such that the second section can receive the rod of the button to hold the strip on the button. The maximum width of the second opening is substantially smaller than the maximum width of the diameter of the button head, and the maximum width of the first opening is large enough to allow the button head to pass through it in a direction substantially perpendicular to the plane of the strip. The strip has an opening on each side, the opening being adapted to allow a button having a head and a lever to pass through the opening, and each opening having at least one segment, the at least one segment being shaped to accommodate only the lever to hold the strip on the button, the maximum width of the segment opening being substantially smaller than the maximum width of the button head. The strip has a central section including a central opening that is completely surrounded by the strip, the central opening being defined by sidewalls formed in the strip, the central opening being surrounded by the sidewalls on all sides; The strip has a central opening for suspending the strip; Strips used for suspending packages, especially when the strips are combined with loops; The strip can be attached to a ring suitable for holding the container; A combination of straps and loops for suspending a container, the loops gripping the container; A strip combined with a ring, the strip comprising two integral free side sections and an integral central section, the strip being made of a flexible material; A strip combined with a ring, the strip including an opening in each of the side segments, the opening being defined by an opening sidewall, the opening being completely surrounded by the opening sidewall on all its sides; A strip combined with a ring, wherein each side segment of the strip has an opening including a first opening portion and a second opening portion, wherein the first portion is larger than the second portion; The ring includes an annular cylinder of flexible material having a first button and a second button, each button having a button head, and each button head being attached to the balance portion of the ring, i.e., the cylinder, via a rod. A strip combined with a ring, the strip having side section openings suitable for receiving the ring's knob and lever; A strip combined with a ring, the strip having a central section, the central section including an opening that is completely closed by the strip; A strip combined with a ring having a knob head, the strip having at least one opening on each side, optionally having a first opening and a second opening on each side, the maximum width of at least one distal segment of the opening being substantially smaller than the maximum width of the knob head, and optionally the maximum width of the first segment of the opening being large enough to allow the knob head to pass through it in a direction substantially perpendicular to the plane of the strip, whereby the knob head and the knob lever can pass through the opening, and since the size of the distal segment opening is smaller than the size of the knob head, the distal segment of the opening can receive the lever of the knob to hold the strip on the knob; For each side segment of the strip, the first segment is closer to the central segment, and the second segment is farther away from the central segment; A ring attached to a bottle, wherein the circumference of the ring in its unstretched state is smaller than the circumference of the bottle, thereby securely holding the ring to the bottle; A strip having a central section, the maximum width of which is greater than the maximum width of the two side sections; The strip has a central section with an opening; The strip has a central section with an opening, the width of which is greater than the width of the two side sections; The strip has an opening in the central section, and the opening has a longer length than the openings in the two side sections; The strip of the combined ring has an opening in the side section, the opening comprising a first portion and a second portion communicating with each other, wherein the first portion is larger than the second portion; A strip combined with a ring, the strip having openings in the side section, each of the openings having a uniform width; A method for suspending a bottle on a pole, hook, or other surface using the strip and the combination of strips and loops; One method of suspending a bottle by taking the free end of a strip, passing it above or below a rod or hook, and fastening one or more free ends to one or more knobs of a ring; The method of suspending the bottle in an inverted position using the strips and / or rings of the present invention will cause the product to tend to flow toward the bottle opening; One method of suspending a bottle by inserting a rod or hook or other surface through an opening in the central section of the strip before or after fastening one or more free ends of the strip to one or more knobs of the ring.

[0023] To gain a more complete understanding of the above and other features and advantages of the present invention, reference should be made to the following detailed description and accompanying drawings of preferred embodiments. Attached Figure Description

[0024] Figure 1 This is a perspective view of the rings and strips according to the present invention.

[0025] Figure 2 It is a perspective view of the ring that grips the circumference of the bottle and the strip of the handle attached to the ring at its side.

[0026] Figure 3 This is a perspective view of the combination of rings and strips used to suspend bottles from a shower rod post.

[0027] Figure 4 It is a plan view of the strip.

[0028] Figure 5 It is a perspective view of a shower curtain with bottles, in which combined rings and strips are suspended from the shower curtain rod.

[0029] Figure 6 It is a perspective view of a shower hook with a bottle, in which the ring and strip are suspended through an opening in the middle of the strip.

[0030] Figure 7 It is similar to Figure 3 A perspective view, but showing an inverted bottle.

[0031] Figure 8This is a perspective view showing an inverted bottle suspended on a shower curtain rod and an inverted bottle suspended on a shower wall hook, the shower wall hook extending through the opening in the middle of the strip according to the invention. Detailed Implementation

[0032] like Figure 1 As shown, the strip 10 includes an integral central section 12 and two side-free integral end sections 14 and 16. The central section 12 has a wider width than the end sections 14 and 16. The central section 12 includes an opening 18, which... Figure 1 and Figure 4 The central opening 18 is shown as an ellipse. It is defined by an opening sidewall 21 in the strip, which completely surrounds the central opening on all its sides. The greater width of the central section 12 contributes to stability when the strip (along with the loops and wrappers) is suspended through the central section opening from a shower curtain rod or elsewhere.

[0033] Preferably, after fastening to the ring and bottle as described below (see example...) Figure 8 R), the strip 10 can be suspended on the shower curtain rod by extending the shower curtain rod through the opening 18 by moving the shower curtain rod or strip, or both. Or, as Figure 3 , Figure 5 and Figure 8 As shown, the strip can be suspended by unhooking one end, allowing it to pass over the shower rod or the rod itself, and then re-hooking it to secure both ends to the bottle. Similarly, the strip can be suspended from other devices, such as hooks, by extending an item (e.g., a hook) through opening 18 or by moving the strip or both the strip and the hook again, allowing the item to be suspended, such as... Figure 6 and Figure 8 As shown.

[0034] Return to Figure 4 The end segments 14 and 16 of strip 12 each include an opening with two portions: larger portions 14b and 16b closer to the central segment, and smaller portions 14a and 16a further from the central segment. The two portions of the opening in each free end segment are in communication with each other. The opening portions 14a, 14b, 16a, and 16b are defined by an opening sidewall (19) within the strip surrounding the opening. The opening at each end may have mirror-image dimensions.

[0035] Ring 30 ( Figure 1 The device includes a cylinder 32 with openings at the top and bottom, and two knobs 34 and 36, each knob including a cylindrical head (35, 38) connected to the cylinder via a rod (40, 41). The knobs are located at diametrically opposite positions on the ring, namely the 12:00 o'clock and 6:00 o'clock positions.

[0036] The larger strip end openings 14b and 16b preferably have the maximum length and width, allowing the button head to pass through them in a plane substantially perpendicular to the strip surface (the plane along the axis extending from the first side opening through the central opening and reaching the second side opening when the strip is laid flat). The smaller strip end openings 14a and 16a are sized to receive a rod, but the button head cannot easily pass through in a plane substantially perpendicular to the strip surface.

[0037] Alternatively, an opening on each side of the strip allows the handle and rod to pass through, for example, by having the edge of the handle pass through first, and the opening not large enough to allow the head of the handle to pass through at an angle generally perpendicular to the plane of the strip. In this case, the width of the opening perpendicular to the longitudinal axis of the strip does not need to have two different sizes and can even be the same. In either case, the diameter of the handle needs to be such that it holds the bottle on the strip, and when the bottle is suspended on the strip, the diameter of the handle cannot pass through the distal section of the opening in a direction generally perpendicular to the plane of the strip, and the rod is accommodated within the distal section of the opening during suspension, as shown, for example. Figure 7 .

[0038] The ring 32 and the strip 10 are preferably made of a stretchable, elastic material. Examples include polyolefins and rubber. In operation, the ring 32 is stretched so that it fits snugly around the circumference of the bottle (or other container) 50. The bottle is preferably cylindrical with a circular circumference. The dimensions of the bottle and the ring are required to ensure a tight fit so that the ring holds the bottle even when suspended from the strip. The strip is then applied to the ring as follows: the knob head 38 of the knob 36 passes through the side strip opening 14b, and the knob head 35 of the knob 34 passes through the side opening 16b. Alternatively, the knob head can pass through the side opening 14a by having its edge pass through a narrow opening. In this case, a larger opening 14b may not be necessary.

[0039] The strip 10 can then be gripped to lift the assembled bottle / ring / strip, preferably via the central section 12. When lifted, the levers 40, 41 are present in or reach the distal end of the strip, which has a sufficiently narrow width to allow the handle head to hold the strip on the ring and bottle. In cases where the side openings have two sizes, the lever can pass from the larger opening 14b, 16b to the smaller opening 14a, 16a. In this position, the heads 38, 35 are prevented from passing through the side openings, thus helping to keep the ring 32 on the strip. The bottle / ring can be carried or suspended in this position.

[0040] For hanging, the center opening 18 can be used. For example, a shower curtain rod can be passed through opening 18 to hang a bottle / ring on the shower rod. Alternatively, if a hook is available for more temporary hanging, a hook can be passed through opening 18 to temporarily hang the bottle / ring (e.g., Figure 6 and Figure 8 Strips can also be used to suspend containers on other protruding or fixed surfaces.

[0041] The bottle can also be suspended by taking the free end of the strip, passing it above or below a post, hook, or other fixed surface, and fastening the free end to a button on the strip. If desired, both ends of the strip can be free as it passes above or below the post, and both ends can then be fastened to a button on the ring.

[0042] Although the strip is preferably applied to the bottle before it is secured to the handle, in some cases, the strip may be suspended first and then inserted into the bottle.

[0043] The strips / rings of this invention allow for easy hanging of bottles and other containers, especially in the shower, and particularly for people with disabilities. If desired, when using the rings and strips of this invention, containers can be hung upside down simply by inverting the bottle, facilitating handling and using the last few drops of product. Therefore, as Figure 7 and Figure 8 As shown, the present invention can be used to hold a bottle in an inverted position, where the product tends to flow toward the bottle opening, even if the bottle is a bottle with a narrow top and is not suitable for being placed on a table in its inverted position. In its inverted, suspended position, the bottle can be opened more easily and the product can be dispensed more easily.

[0044] After the container's contents are depleted, the rings and strips can be easily removed from the container, allowing for easy reuse without adding extra plastic burden to the environment each time the container is emptied. By manufacturing the strips with end (side) and center openings in a single piece, the cost of manufacturing and assembling multiple strip components is eliminated. Both the strips and rings can be reused until the end of their service life.

[0045] Of course, it should be understood that the specific forms of the invention shown and described herein are intended to be representative only, as certain changes may be made therein without departing from the clear teachings of this disclosure. Therefore, reference should be made to the following appended claims in determining the full scope of the invention.

Claims

1. A strip (10) having two integral free side sections (14, 16) and an integral central section (12), the strip being made of a flexible material, the strip having an opening (14a, 14b, 16a, 16b) in each of the side sections (16, 14), the opening being defined by an opening sidewall (19) in the strip, the opening being completely surrounded on all its sides by the opening sidewall (19), wherein each of the openings on the side comprises a first section (14b, 16b) and a second section (14a, 16a) communicating with each other, wherein the first section is larger than the second section, such that the head (35, 38) of a button (34, 36) having a head and a lever (40, 41) is able to pass through the first section (14b, 16b), and the second section (14a, 16a) is able to receive the lever of the button to hold the strip on the button, and wherein, The central section (12) includes a central opening (18) defined by an opening sidewall (21) in the strip, the central opening being completely surrounded by the opening sidewall (21) on all its sides, wherein the maximum width of the central section (12) is greater than the maximum width of either of the two side sections, and wherein the opening in the central section has a greater length than the openings in the two side sections.

2. The strip (10) according to claim 1, wherein, For each side segment, the first segment (14b, 16b) is closer to the central segment (12), and the second segment (14a, 16a) is farther away from the central segment.

3. The strip according to claim 1 or 2, in combination with a ring (30), the ring (30) being an annular cylinder (32) made of flexible material having first and second buttons (34, 36), each button having a button head (35, 38), and each button head being attached by a rod (40, 41), the side section openings (14a, 14b, 16a, 16b) being adapted to receive the buttons and rods of the ring, whereby the button heads and rods can pass through the first portion (14b, 16b), and the second portion (14a, 16a) being able to receive the rods of the buttons to hold the strip on the buttons, the maximum width of the second section opening being less than the maximum diameter of the button head, and the maximum diameter of the rod being less than the maximum diameter of the button head.

4. The combined strip and ring of claim 3, combined with a container, wherein the ring grips and securely holds the container.

5. The strip, ring, and container of claim 4, wherein the ring is made of a stretchable elastic material.

6. The strip, ring, and container of claim 5, wherein the ring is made of polyolefin or rubber.

7. The strip and ring of any one of claims 3 to 6, wherein, The first side section (14b, 16b) is larger than the second side section (14a, 16a), so that the head (35, 38) of the button can pass through the first part, and wherein the second section receives the lever (40, 41) of the button that holds the strip on the ring.

8. The strip and ring (30) according to any one of claims 3 to 7, combined with a container (50), wherein the circumference of the ring in its unstretched state is smaller than the circumference of the container, thereby securely holding the ring to the container.

9. The strip (10) and ring (30) of any one of claims 3 to 7, wherein the flexible material is a high-friction material.

10. The combined strip (10), ring (30), and container (50) according to claim 8, wherein, The container is a bottle, and the bottle includes a bottle body below an optional neck and optional shoulder, and wherein the strip is of a length such that when the ring is placed at approximately the axial midpoint of the bottle body, the strip is able to extend above the top of the bottle (50).

11. A method of using a strip and loop of any one of claims 3 to 7, comprising: The free end of the strip is passed over a post, hook, or other fixed surface, and before or after this, one or both ends of the strip are secured to a button on the ring, such that both ends of the strip are secured to the button, thereby allowing the strip and ring to suspend from the fixed surface.

12. The method of claim 11, wherein the strip is fixed to the bottle in an inverted position with its bottle opening pointing downwards.

13. A method of using a strip and a loop according to any one of claims 3 to 7, comprising: The central section is opened through a rod or hook, and before or after this, any unsecured free end of the strip is secured to the button on the ring, thereby suspending the strip and the ring.

14. A combined strip and ring, wherein the strip (10) comprises two integral free side sections (14, 16) and an integral central section (12), the strip having an opening in each of the side sections, the opening being defined by an opening sidewall (19) completely surrounded by the opening sidewall on all its sides, wherein each of the openings on the sides comprises an optional proximal portion (14b, 16b) and a distal portion (14a, 16a), wherein the optional proximal portion is optionally larger than the distal portion. The ring (30) is an annular cylinder (32) made of flexible material with first and second buttons (34, 36), each button having a button head (35, 38), and each button head being attached to the ring by a rod (40, 41). The side section openings are adapted to receive the buttons and rods of the ring, whereby the button heads and rods can pass through openings on each side of the strip, and when the bottle is suspended, the distal portions (14a, 16a) can receive the rods and the buttons hold the strip on the ring, wherein... The central section (12) includes an opening (18) completely surrounded by the strip, the maximum width of the opening in at least the distal section is less than the maximum diameter of the head of the button, the maximum diameter of the lever is less than the maximum diameter of the head of the button, wherein the central section (12) has a maximum width greater than the maximum width of either of the two side sections, and wherein the opening in the central section has a length greater than the opening in either of the two side sections.

15. The combined strip and ring of claim 14, wherein the strip is made of a flexible material.

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