#3 8.5×14.5 Poly Bubble Mailers Usable Space: 8.5″ x 13.5″ BUY MORE SAVE MORE BULK PRICING IN STOCK & READY TO SHIP FROM THE UNITED STATES FAST FREE SHIPPING TRUSTED U.S. SELLER Surface made from durable premium poly.Interior padded with advanced low-density polyethylene 1/8” bubble to provide extra protection during transit.Strong self-sealing adhesive strip. Simply peel and fold over to seal each package safely and securely.Extra large self-seal flap for full coverage.Cost-effective and efficient way to ship your products.Highest quality poly bubble mailers made in the U.S.A. Approved by all shipping carriers including USPS, UPS, FedEx, and DHL.