... Offered. enamel key chain, 1) Materials: Iron , brass , zinc alloy , gold , silver and so on .2) Size : 40mm Dia..., and can be changeable ... as our clients' required .3) Design & Logo : Can according to clients' requirements.4) Electroplating / finish : Nickel ,black nickel , ... , by sea or by DHL/TNT/UPS/EMS/...Express. enamel key chain