Ion Plating(IP) 304 Stainless Steel Pendants, with Enamel, Manual Polishing, Flat Round with Tree, GoldenSize: about 25mm in diameter, 3mm thick, hole:7.5x5mm.âDouble Sided Manual Polishing: These pendants are hand-polished, which means that the front and back of the pendants are manually put on the polishing wheel to friction, making it more shiny and smoother, like a mirror.