... durable Good gifts for friends Shape: 3D or 2D ofr alloy key chainMaterial:eco-friendly of keychainsColor:black blue white green ... , nickel free, vast usage 2. Materials can be: iron, stainess steel, alloy, brass etc... 3.Various color: nickel,gold,brass,anti brass ... , copper,antique gold,antique bronze,antique silver,etc.8.Craft: die casting, polishing/buffing,plating etc. as customers request.