... stainless steel or pewter or AluminumSize:Custom Various size by ordersProcess: Die Cast, Die Struck, Stamped, Photo Etching ... ,Injection, soft enamelPlating: Various plating by order,gold,Nickel,brass,copper,Silver,Anti-nickel, Anti- ... etc.Color:Soft enamel color, mitation cloisonne color,Silkscreen/offset printing,etc,Back: flat or double designAttachmenat: Butterfly clutch ...