POF shrink film is a multi-storey environment friendly heat shrinkable packaging film,used PP and PE as the main material for processing by coextrusion blow molding production of the density of small,low-cost units,with non-toxic environmenttal protection,high transparency,high shrinkage rate,good sealing performance,high surface gloss drugs,toughness,and tear strength,good cold resistance,heat evenly and suitable for fully automatic features such as high speed packaging is the best alternative to traditional PVC production,widely used in food,machines,beverages,alcohol,electrical products,electronic products,toys,daily necessities and other products packaging.