1.The robustness of the shipping bag is very good and environmentally friendly, durable and tearresistant, lightweight, easy to use, waterproof and dustproof. 2.The smooth surface of the shipping bag can write your greetings, labels, DIY Christmas texts or leave markings on the packaging. 3.With the shipping bag, you can send your goods and items ly and reliably to your ers, family members or friends. 4.Shipping bags can be used in express companies, in the online industry, in books, documents, Christmas gifts for Father's Day, in candy bags, in the storage of kitchen supplies and in various nonfragile products. Shipping bags have a good toughness and a good load capacity. 5.Our posting bags stick themselves firmly, strong seal, water and dirtproof air sealed bags that ensure the inside and outside. 6.These plastic mailers have a sticky strip for easy closure. Once these bags are sealed, they are very difficult to open, allowing your items to arrive ly without the risk of opening or tampering. 7.You can use the full size or put something smaller inside and wrap the excess before sealing. 8.Hot melt adhesive strip, a strong viscosity, once bound, can only be destructive to open it and improve your package .