These Poly Bubble Mailers features polyethylene outer layer bubble cushion with superior tear and puncture resistance. The silver inner layer provides document confidentiality and the white outer surface is ideal for high quality printing.

Material：Off-white polyethylene film on the outside and air bubble cushion lining in the inside with self-seal tape on the lip Function：Cushioning, lightweight, water-proof; offers excellent athletic value and product protection. Application：Mailing gifts, CDs, samples and large confidential documents; widely used in distribution fulfillment industry and post office.