Mouth-nose portion of the mask having an opening

Abstract

1. Name of the design product: the mouth and nose part of the mask with opening. 2. Use of the design product: for ventilation when wearing a mask. 3. Design points of the design product: in shape. 4. Picture or photo that best shows the design points: perspective view. 5. Other circumstances or explanations: the design product is a partial design, and the part represented in gray is the part to be protected by the design. The design product is not protected by color.

Images