ePack Kraft Bubble Padded Envelope Mailers, 50 Piece These popular padded envelopes are sturdily built with bubble lined wall construction for extra protection during transit 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 products Upgrade your company image and ship with confidence with these self-seal mailers Shipping labels adhere securely to the recycled Kraft paper cover so the incidence of lost packages is reduced