Hi there, We called this Plastic mould as Endfitment. This Plastic Mould is to be use in packing of polyester and bopp film. I am looking for the Right Manufacturer of this items... If you can make 100 % Same, please call me ASAP. I can Order Soon. Quantity No issue....I need in Very bulk Quantity. Diameter Back 156mm Diameter Front 145mm Diameter inner120mm Size 390x390mm Weight 1.5kg Thanks and Regards Saleem Choudhry