Packing List Envelope, Poly Mailer, BOPP Tape manufacturer / supplier in China, offering 180X270mm Ziplock Packing List Envelope for Documents, Eco-Friendly Recycled LDPE Mailing Bag with Handle & Two Adhesive Strips for Shipping, 320*400+70mm Durable Self-Adhesive LDPE Poly Mailing Bags for Shipping and so on.