100 pieces 14.5x19" #7 self adhesive sealing poly mailer courier bag envelope pouch for shipping ups usps postal office packing packaging

Description

Poly Mailer is designed to provide maximum protection and has excellent puncture resistance. Poly Mailer is made of polyethylene film. The specialty about Poly mailer is that they are water, puncture and tear resistant. Poly mailers have a white outer surface and a silver interior lining to provide excellent opacity. Self-seal lip and tape provides quick and easy closure.