Hard Enameled Pin Badge, Die Struck Pin Badge, Lapel Pin Etched ... Pin, Pin Badge, Die Struck Pin, EmblemMaterial: Brass, copper, zinc alloy, aluminum, iron, pewter, stainless steel,Sizes & Thickness: Customized / OEM designs ... are availableColors: soft enamel, imitation hard enamel, and without coloringProcess: silkscreen printing or offset printing, 4 ...