1,Zinc alloy with material ,and nickel finished . 2,OEM is OK. 3,sample time 6~7days ,production time9~10days for 500pcs 1, Material include brass ,zinc alloy , iron ;2,finishing include nickel ,gold ,silver,antique brass,antique gold ,matin etc .3, Free artwork ,NO MOQ .4,Any color and design are available .5, 100%quality guranteed and good service . 2012 girl key chains