... badge/lapel pin is made of zinc alloy in Soft Enamel, with anti-copper plated,mainly used for promotion gift ... copper, iron, stainless, brass, aluminum,zinc alloy etcStyle: new enamel, soft enamel, photo etched, silk screen printing, offset printing, zinc alloy ... the client `s requirementColors:Pantone chart, DIC,Chart, Aoki cloisonne color chartPlating: gold, nickel, anti-gold,mat gold, anti-nickel, ...