Made of BOPP film with bubble linings,the pearl poly bubble mailer can protect the goods from damage during the delivery course. The outer layer is quakeproof, push-proof and waterproof . The inner bubble can prevent the goods from pressure, bumping, dropping,ect. Product unique: 1 Superior cushioning and surface protection 2 It's light, easy and safe to use. 3Multi-functions for mailing and package. 4It's a perfect replacer of the wood box and paper box for the packaging. 5Customized designs and shapes are welcomed. 6Self-adhesive tape available. Suggested applications: Electronic component, MP4, Portable computer, Electronic products, Drugs and vitamins ,Audio CDs, CD-ROMs ,Dental and medical supplies ,Watches ,Jewelry ,Video cassettes ,Novelties ,Sare parts Binders and so on.