hard enamel lapel pin 1) Size:50x30mm 2) MOQ is 100 ... ,silk screen print,laser engrave.Plating :nickel,gold,brass,chrome,bronze,black nickel,silver,pearl nickel,anti-nickel.Material :zinc alloy,iron,brass ,copper ... :polybag,card,box,opp adhesive ploybag,plastic blister,bubble bag hard enamel lapel pin