The button is make of shell. Dongguan ... workmanship and strict quality control during the production, also the packing is satisfactory. Furthermore, we can ... necklace, earrings, watch dial surface(MOP surface), shell button, shell mosaic, picture frame, lamp decorations, jewelry ... necklace, earrings, watch dial surface(MOP surface), shell button, shell mosaic, picture frame, lamp decorations, jewelry ...