Duck Brand Poly Bubble Mailers are the perfect solution for mailing small objects professionally, affordably, and safely. Lined with bubble cushioning, these padded envelopes protect your valuables during shipping and mailing. Poly mailers are sturdy yet lightweight, so there is no need to spend money on extra packing material. Its self-seal feature means no need for extra tape or glue. Poly Bubble Mailers are water resistant for spill and weather protection during transit. Plus, their tough poly shells are resistant to tearing, so you can be assured your item will arrive in the same great condition it left. * Duck 12.5 in. x 18.5 in. Solid White Poly Bubble Shipping Mailer * Water- and tear-resistant with poly shell * Bubble lining features Air Lock Technology nylon barrier - holds air longer, protects items better * Self-sealing for easy closure -- no tape needed * Lightweight mailer for low-cost shipping * Premium white color gives professional appearance