Courier Bag Plastic mailing envelope with crystalline adhesive strips Plastic envelope with adhesive strips Plastic mailing envelopes are becoming popular for shipping clothing, books, lightweight items or undamaged items. Due to its light weight Reduce shipping costs, easy to use and convenient for delivery. Made from 100% A grade plastic No bad smell, sticky bag, good elasticity. Durable, not easy to tear High quality adhesive strips, waterproof, easy to write on the envelope, use a variety of pens, long-lasting writing, not easy to fade and can be made to order according to the size and color you want to use and print the brand Customer's brand name can be printed on the bags.