15 x 20 x 4 Expansion Poly Mailers 100/Case Cool Shield Pallet Covers Self-seal closure with a double

Self-seal closure with a double perforation tear strip for easy opening

Thick molded foam container protects contents from crushing and breakage

Protects bulky

The outer surface of the mailer is colored and the inner lining is silver

Each mailer is lined with packing bubble material to keep items safe during shipping as well as a self-seal strip for easy closure

15 x 20 x 4 Expansion Poly Mailers 100/Case Cool Shield Pallet Covers Self-seal closure with a doubleFeatures a gusseted bottom to allow for thicker items such as binders, books and catalogs. Puncture, moisture, tamper and tear resistant. High strength seams will keep contents intact even if over packed The outer surface of the mailer is white and the inner lining is silver. Labels, ink and stamps adhere well. Self seal closure with a double perforation tear strip for easy opening.