Lightweight yet durable Duck Brand Poly Big Bubble Mailers help keep a variety of small items safe in the mail. These mailers are lined with bubble cushioning so you can have more padded protection for shipping valuables you don’t want to bend or break in the mail. Available in a wide range of sizes these sturdy mailers offer low cost shipping protection for a wide variety of items like books or crafts. Plus poly mailers feature an added layer of water-resistant and tear-resistant protection so your package can be as protected as when it left no matter what the season.