poly mailer 1.made of LDPE ,poly 2.self seal closure for easy sealing 3.different sizes are available poly bagIt's waterproof,light,easy and safe to use.It's a perfect replace of the wood box and paper box for the packaging of the mail.1)Made of LDPE co-extruded film2)Superior cushioning and surface protection3)Many colors /designs available4)Self-ashesive tape available5)Customized designs/ ...