... Service Offered ; Buyer Label Offered. enamel key chain, 1) Materials: Iron , brass , zinc alloy , gold , silver and so on .2) Size : 40mm ... to clients' requirements.4) Electroplating / finish : Nickel ,black nickel , imitation gold , gold , glossy copper , antique copper , green bronze , silver , antique silver plating ... sea or by DHL/TNT/UPS/EMS/...Express. enamel key chain