... 3-5layers Centerfold in roll The common character of pof shrink film,polyolefin shrink film,pof filmThickness15um(micron)19um(micron)25um(micron)Width100mm-2000mm100mm- ... packaging and fine heat sealing performance, operation convenient, break film impossible and can be used for high speed pack.The polyolefin shrink film ... , textiles, hardware, auto partsvideo products, and so on. POF shrink film