Catalog Mailers Made Of Dupont Tyvek, Redi-strip Closure, 18 X 23, White, 25-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. Seam Type: Weld; Flap Type: Cheese Blade; Security Tinted: No; Opening: Open End.