Lightweight 14 Lb Tyvek Catalog Mailers, #15 1/2, Square Flap, Redi-strip Adhesive Closure, 12 X 16, White, 100/box Filofax® Can be used in both

Can be used in both portrait and landscape formats

It is great for high-traffic areas and open office environments

permanent graduation marks make for convenient measuring of water and solution

offices and homes

Lightweight 14 Lb Tyvek Catalog Mailers, #15 1/2, Square Flap, Redi-strip Adhesive Closure, 12 X 16, White, 100/box Filofax® Can be used in bothQuality 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.