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