Lightweight 14 Lb Tyvek Catalog Mailers, #10 1/2, Square Flap, Redi-strip Adhesive Closure, 9 X 12, White, 50/box

Quality Park® Survivor® Catalog Mailers are made with durable 14-lb DuPont™ Tyvek®, which is strong enough to withstand the most grueling conditions. The material is puncture, tear and moisture resistant—virtually indestructible. Yet, it is still lightweight which can provide a savings on shipping costs. These white mailing envelopes feature an easy Flap-Stik® closure which requires no moisture for a secure seal and a release strip for quick, easy opening.