Poly Mailers 12 x 15.5″ - 50/250/500pcs

[Durable material and light and portable] The reliable mailing bag 12x15.5" 500 pieces plastic mailing bag can be 3 times longer than usual. This mailing bag can protect your products well. Each package is only 1.6 pounds, thin and thin Sturdy, light and portable and save your shipping costs. [High-quality materials and widely used] Our envelopes and mails are made of durable materials and will not break even if they are torn and pulled. The self-sealing strip sticks easily. It is usually suitable for your business, office, personal store and express transportation facilities, etc. When you are busy packing a large number of products, you can save your time and improve your work efficiency. [Waterproof and tear-proof design] This postal bag is composed of a waterproof body and a self-sealing strip. The surface of the special material can make the label stick firmly on the package and waterproof. When you are busy packing a large number of products, the adhesive self-sealing tape can