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. ... shrink film of wide application. Available thickness: all kinds of thickness, for example 12, 15, 18,19, 20, 25 and 30 micron ... and so on. Main Use Of Shrink FilmFOR EXAMPLE: Outer packing of instant ...