... 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 ... mat gold, anti-nickel, silver, etcAttachment: butterfly clutch, rubber clutch, magnet, safty pin, tie bar, keyring, tie tac etcEpoxy: yes or ...