... -moisture, shockproof, can be recycled.4) Usage: for post, delivery packing, express delivery, courier mailing.5) Style: with permanent adhesive strip seal, anti ... , LDPE, CPP, PPU, PVC, PE/PO, PO/PE, CPE and EVA, etc.other relative name: courier bag, mailing bag, express delivery bag, post bag.Established in 2000, with ...