BOPS is the universal abbreviation of BIAXIAL ORIENTED POLYSTYRENE, which is a new type of polymer environmental friendly foodstuff,medical and health-care packaging material,also industrial and agricultural packaging Anti-fog BOPS Sheet Specification: thickness:100um to 750um(3.95mil-29.5mil) width:330mm to 1500mm(13"-59") core size:3",6" 8" Roll O.D:560mm(22") standard:380mm~810mm(15" up to 32") one side anti-fog,the other side silicone coated A.Normal grade antifog BOPS Sheet Properties: Superioranti-fog performance. Application:making all kinds of lids,particularly suitable for packing food stored in refrigerator.itsremarkable clarity enabling food highly visible. e.g lids for sushi&ice-cream containers.