Description The item is a pack of 20 pcs padded envelopes, which are sturdily built with bubble lined wall construction for extra protection. These tough premium shippers are proven solutions for a wide variety of items. Self sealing bubble mailers provide outstanding low cost shipping protection for a wide variety of pack. Features – Color: As the picture shown. – Material: Kraft, Plastic. – Size: Approx. 4 * 7.5 inch(L*W). Seal size: .75 inch. – Fully laminated kraft and air cellular construction provides outstanding stiffness and puncture resistance. – Strong self seal strip giving you extra security. – Accepts ink, stamps, and labels. – Strong seams, fins on two sides, and seamless bottom for maximum protection. – High-slip bubble cushioning materials allows faster, easier product insertion.