high quality plastic book screw Material: PE,PVC Colour: Natural ... . Stationery button SN-00G (see specification sheet) of plastic primarily used in the Showcase button stationery, books, photo ... etc. products, from the child, the mother of two parts deduction will be the mother to be deducted through the ... Other: meet the ROHS, standing stock, common industry. high quality plastic book screw SN-15G