... 2.size: any size 3.OEM all welcom 4.key chain YinTin main products are: metal badges, commemorative coins, commemorative ... . All products are high-quality gifts. key chain specifications: 1)Available material: Copper, brass, bronze, zinc alloy, iron or pewter.2 ... antique silver, antique bronze, nickel, anti-nickel, black nickel, brass, anti-brass, copper, anti-copper, dyed black.4)Process: photo etched, ...