Quality Park - QUA95009 Stock up on 8-1/4" x 11" bubble mailers for your online or home business to ship supplies, gifts and more. Air-filled bubbles soften the impact of handling while your package is in transit. Each bubble envelope is made from durable poly that resists wear and tear to help keep items inside protected from rain, moisture and other elements inherent during shipping. Peel-and-seal, Redi-Strip closure produces a clean, sanitary seal - no moisture necessary. Simply pull off the strip and press closed. Lightweight, cushioned mailers can help reduce postage costs. They're ideal for online sellers shipping handmade goods or small businesses sending products.