The metallic bubble mailer has two layers,which is lightweight for postage savings and of environmental protection.The outer layer is the metallic membrance,the inside is lining air bubble .The outer layer is beautiful ,its unique toughness can prevent the bag from breakage.The inner layer transparent air bubble can prevent the goods from pressure,bumping,dropping,ect. In all sizes, colours, printed or plain, Self-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 ,Spare parts Binders and so on The metallic bubble mailer has two layers,which is lightweight for postage savings and of environmental protection.The outer layer is the metallic membrance,the inside is lining air bubble .The outer layer is beautiful ,its unique toughness can prevent the bag from breakage.The inner layer transparent air bubble can prevent the goods from pressure,bumping,dropping,ect. In all sizes, colours, printed or plain, Self-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 ,Spare parts Binders and so on