This pin badge/lapel pin is made of zinc alloy , with gold plated, mainly used for promotion gift. Yaohong Pins ... , soft enamel, photo etched, silk screen printing, offset printing, zinc alloy injection, 3D mold,die struckSize: according to the client `s requirementColors:Pantone ... Europe, USA and JapanWelcome to contact us for more information. zinc alloy lapel pin