Sealed Air #0 Golden Brown Self Sealing Bubble Mailers 6" x 10" Box Of 25, lightweight for postage savings. Strong, satin gold outer kraft is made from 60% recycled paper with 5% post-consumer material. Cushioned mailer offers self-seal closure, an interior layer of 3/16" Barrier Bubble and seamless bottom for added cushioning and strength. Dust-free and lint-free.