This product is a two-layer structure, with light volume and environmental advantages .The outer layer is aluminium foil/ aluminizing film/gridding film/shielding film /electric conduction film /kraft paper , lining is bubble film.This kind of bag is beautiful and dignified, the special toughness can prevent the bag being ruptured.The inner transparent bubble membrane is of a good buffer action to prevent loaded goods being damaged by pressing, collision and falling .It applies to the Mail-disc CD-ROM, tape, electronic components, integrated circuit boards, optical lenses, books, documents, photo frames, gifts, watches and so on.It is the best choice for company sending and personal mail. The material for the outer layer can be customized in accordance to clients’ requirements..