... to post tape, CD, camera lens, film, certificate, IC card, mini-type machine accessory White Air Bubble Mailers 1) Made of kraft ... between the PE bubble film inside and the craft paper outside. The bubble film is directly coalescing to the craft paper without gluewater, so ... :It can be used to post tape, CD, camera lens, film, certificate, IC card, mini-type machine accessory and so on ...