... anti-shock air bubble , 2)wrap electric equipment,furniture like camera, 3)3-5 layers 4) PE Air Bubble machine1) Adopts disposable shaping craft2 ... . This model can also be used for 5 and 4 layers laminating bubble film with Pure aluminum foil and aluminum film and ... materials , including LDPE, LLDPE, and recycled PE3. Can produce films with various bubble sizes from dia6 -32, by changing the roller ...