tin badge: materail: metal,plastic etc. processing: die-casting,stamping,plating,paint,enamel; use: promotion gift,souvenir badges/lapel pins/ ... medal/plate details:1) Material & peocess :Zinc alloy, brass,iron, ... gold,silver,anti-silver,nickel,anti-nickel,black nickel,brass,anti-brass,copper,anti-copper,dyed black,double colour;5) ...