Lightning Deal Lightweight 14 Lb Tyvek Catalog Mailers, First Class, #12 1/2, Square Flap, Redi-strip Closure, 9.5 X 12.5, White, 100/box Online Exclusive [o2IbyYrM]

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.