... folded, single flat, cross-linked film Polyolefin shrink film5 layer co- extrusion biaxial orientation film, enviromental friendly. It was widely ... gas during usage.It can be use for all packing machine.Available thickness 10micron, 12.5micron, 15micron, 19micron, 25mincron ... supply pre-perforated and mic-perforated polyolefin shrink film, as well as provide bagging service. Pre-perforated pof shrink