bubble envelope 1) Fully laminated kraft paper and bubble construction, provides stiffness and a puncture resistance bubble mailer2) High-slip bubble lining for easy product insertion; Bubble lining for effective air retention and consistent cushioning3) Strong paper exterior for premium appearance, excellent for printing, labeling, franking and writing4) Lightweight bubble cushioning means to reduce shipping costs5) Self-seal closure is secure and convenient6) Easy-open tear strip allows quick access with out tools. This special design has been registered with national patent7) Variable Sizes Available from#000-#7 and #CD #DVD8) Multi-functions for mailing and packagekraft bubble mailer air bubble bag bubble envelopeRemarks:i. be used to post tape, CD, camera lens, film, certificate, IC card, mini-type machine accessory and so on goods that need protect.ii. PE bubble film inside and the craft paper outside. The bubble film is directly coalescing to the craft paper without gluewater, so that insure it can be 100% recycle, and accord with the request of environmentalism.