Product Details
Expansion envelopes measuring 12x16x2 inches feature heavyweight Tyvek material known for durability, water resistance, and tear resistance. These open-side style envelopes include a Flap-Stik peel and seal closure for secure mailing. Designed to protect bulky but lightweight items, they serve as an alternative to boxes or cartons. The 18 lb Tyvek construction offers superior protection against ripping, punctures, and moisture, making them suitable for mailing documents or products requiring extra security. Comes in a Carton of 100.








