Product Details
Expansion envelope measuring 12 x 16 x 4 inches made with heavyweight DuPont Tyvek material. Features open-side style with Flap-Stik peel and seal closure. Designed to protect bulky items with water-resistant and moisture-resistant 18 lb. construction that resists ripping, tearing, and puncturing. Suitable for mailing items that are not too heavy, providing a strong and secure alternative to boxes or cartons. Comes in a Carton of 50.








