Description Envelopes expand to provide lightweight, inexpensive shipping for bulky items. Expandable envelopes are made of puncture, tear and moisture-resistant DuPont Tyvek material. Envelopes made with Tyvek are half the weight of heavy duty paper envelopes, so you save on postage with each mailing.
Product Details Basis Weight 14 lb Tyvek Closure Redi-Strip Adhesive Color Family White Color(s) White Expansion 2" Exterior Dimensions 12 x 16 Exterior Material(s) DuPont Tyvek Flap Type Cheese Blade Footnote 1 DuPont and Tyvek are registered trademarks of DuPont Footnote 2 Tyvek basis weight is measured in pounds per 500 uncut 24" x 36" sheets of Tyvek material Global Product Type Envelopes/Mailers-Catalog Envelopes Opening Open End Post-Consumer Recycled Content Percent 0% Pre-Consumer Recycled Content Percent 0% Seam Type Center Security Tinted No Special Features Lightweight 14 lb Tyvek Total Recycled Content Percent 0%