Lightweight 14 Lb Tyvek Catalog Mailers, #15 1/2, Square Flap, Redi-strip Adhesive Closure, 12 X 16, White, 100/box Master Features: Leak Proof

Features: Leak Proof

middle shelf is adjustable

Easy-to-use replacement cartridges are a great choice in respiratory protection for the professional

Design also features safety thermal shutoff and heavy-duty casters for easy relocation

Blue nitrile features a 6 mil thickness for both comfort and protection

Lightweight 14 Lb Tyvek Catalog Mailers, #15 1/2, Square Flap, Redi-strip Adhesive Closure, 12 X 16, White, 100/box Master Features: Leak ProofQuality 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 resistantvirtually 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.