A Polyester Film Roll is often referred to by its abbreviation, PET film. The chemical name for this type of plastic is polyethylene terephthalate, which is commonly shortened to PET. It is a versatile and robust plastic in film form of various thicknesses, widths and transparencies. It is chemically inactive in water and acts as a moisture barrier in many applications. Polyester Film Roll is also unaffected by oil, grease and most aromatics, making it an extremely versatile plastic and the ideal plastic roll for slip and slides.