... film A.Better Clarity B.Higher Puncture Resistance PA PE vacuum bag film1.Application:(1)Food packing (such as meat,sausage, ... -extruded symmetry or asymmetry 9 layers3.Material:PA,EVOH,PP,PE, 4.Features:(1)With EVOH, PA material as barrier layer ... ,please do feel free to contact mewelcome inquiry ,thanks! PA PE vacuum bag film