Waterproof foil bag and professional export&custom printed carton size. Plastic Shipping Bag Pink High-grade Quality Nice Printed Plastic Shipping Bag / Custom Logo Poly Mailers postage satchels are packed with waterproof PO-film and durale professional export A=B cartons. OEM Printing allowed on the packaging material. Can be packed with the goods as you required as smallest space. We will select the most appropriate cartons for the postage saving.