Product Details
Expansion envelope measuring 12 x 16 x 2 inches made from heavyweight DuPont Tyvek material. Features an open-end style with Flap-Stik peel and seal closure. The 18 lb envelope is water-resistant, moisture-resistant, tear-resistant, puncture-resistant, and designed to protect bulky but lightweight items. Offers a durable alternative to boxes or cartons for mailing. Color is natural white. Comes in a Carton of 100.








