POF Five Layer Shrink Film/ Polyolefin/POF Shrink Film or POF Bag With excellent clarity,polyolefin shrink film is a strong,biaxially oriented,heat shrinkable polyolefin film. Shrinkage is balanced ... for example 12, 15, 18,19, 20, 25 and 30 micron and so on. Main Use Of Shrink FilmFOR EXAMPLE: Outer packing ... Jinfa Road Economic Development Area, Yiwu city, Zhejiang Province ,China POF Shrink Film