Key chain :metal keychain/zinc alloy keychain,customer's design are available; key chain:1) Material: zinc alloy, copper , brass, iron, aluninum, stainless steel2) Various types of metal keychains available3) Plating: gold, silver, nickel, brass, copper,dyed black , ect.4) Epoxy coating: optional5) Various attachments available6) Color reference: Pantone color chart key chain