Envelopes TRIZ Cases

See how a tear-resistant bag with substrate anchor and alarm system reduces package theft and e

A folded square napkin uses a punched opening and regular fold fields to create an easy-insert cutlery pouch with simple production.

Lower-power, higher-frequency laser ablation forms score channels in polyethylene packaging for clean tearing with less melting and damage.

Angled perforations and a sliding locking pouch let users open battery packs by hand, reclose them securely, and keep unused cells from falling out.

Folded pocket extensions distribute goods across compartments so flat envelopes keep uniform thickness, flexibility, and USPS compliance.

Paper-based inserts in coated voids help cushioning sheets resist crumpling under pressure while staying recyclable for shipping fragile items.

Folded side-flap pockets let a one-piece mailer expand for goods while staying flat, uniform, and USPS-compliant without inserts.

U-shaped transitions and tensioning cards keep card sleeves aligned inside a thin mailer, preserving machinability and first-class letter compliance.