Ship your small valuable objects with extra peace of mind by using Duck Brand Poly Big Bubble Mailers, the perfect extra-protected all-in-one solution for professional, affordable and safe shipping. Lined with larger 5/16 in. bubble cushioning, these padded envelopes provide extra stability for your valuables during shipping and mailing. Poly mailers are sturdy yet lightweight, so there's no need to spend money on extra packing material, and the self-seal feature means no need for extra tape or glue. Poly Big Bubble Mailers are water resistant for spill and weather protection during transit, and their tough poly shells are resistant to tearing, so you can be assured your item will arrive in the same great condition it left. Available in a variety of sizes, mailers are a premium white color for a professional appearance.