12x15.5 Inch Poly Mailers White Shipping Bags Self-Sealing Waterproof and Tear Proof 50 PackAbout this itemSuperior Protection: Made of high quality polyethylene, these mailers are waterproof, tear proof, and puncture resistant, ensuring that your packages arrive safely and securelySelf Sealing Design: These mailers come with a self adhesive strip that ensures a secure seal and makes packing easy and efficientLightweight: These mailers are lightweight, which reduces shipping, and they are available in a 50 pack, making them a good choice for your shipping needsMedium Size: These mailers measure 12x15.5 inches, making them perfect for shipping items such as clothingEnhance Brand Influence: Bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost. Beautiful colors can also make your customers happy and enhance your brand influence. We have been committed to making better products to serve our customers, so that their business can get better and better