High Stretch Self Adhesive Machine Grade LLDPE Stretch Wrap Film Hand Use Pallet Wrapping Film for Cargo Transportation Product Description The machine winding film is mainly made of linear low-density polyethylene (LLDPE) as the main raw material, and is produced into a multi-layer composite structure through co extrusion blow molding technology. This structure enhances puncture resistance and tensile strength while maintaining the thinness of the film through cross-linking