This pin badge/lapel pin is made of zinc alloy , with gold plated, mainly used for promotion gift. ... "---Care, Appreciation, Reliality and Enthusiasm.Pin badge:Mateiral: copper, iron, stainless, brass, aluminum,zinc alloy etcStyle: new enamel, soft enamel, photo ... etched, silk screen printing, offset printing, zinc alloy injection, 3D mold,die struckSize: according to the client ` ...