This pin badge/lapel pin is made of zinc alloy in Soft Enamel, with anti-copper plated,mainly used for promotion gift. Yaohong ... , Appreciation, Reliality and Enthusiasm.Pin badge:Mateiral: copper, iron, stainless, brass, aluminum,zinc alloy etcStyle: new enamel, soft enamel, photo etched, silk screen ... , USA and JapanWelcome to contact us for more information. soft enamel lapel pin