Quality Park - QUA95001 Stock up on 6" x 9" bubble mailers to protect your online or home business mailings including supplies, gifts and more. Air-filled bubbles inside these shipping envelopes soften the impact of handling while your package is in transit. Each bubble envelope is made from durable paper that conceals what's inside and protects items from wear and tear during shipping. Bubble-lined envelopes feature a peel-and-seal, Redi-Strip closure for a clean, sanitary seal - no moisture required. Simply pull off the strip and press closed. Lightweight mailers can help reduce postage costs. They are ideal for online sellers shipping handmade goods, resellers using an online marketplace or small businesses sending products to customers.