... bag, good security & permanent adhesive bag. 3.anti-static,customise logo express ba Poly courier bag, express bag, and mailing bag, express delivery bag, mailer bag, ... , 0.05-0.12mm thickness, good security feature and anti-moisture, shockproof, can be recycled.4) Usage: for ... material: such composite materials, non-woven environment-protected materials, OPP, PP, HDPE, LDPE, CPP, PPU, PVC, PE/PO, PO ...