Detailed Product Description Lapel Pin, Pin Badge, Die Struck Pin, EmblemMaterial: Brass, copper, zinc alloy, aluminum, iron, pewter, stainless steel, ... availableColors: soft enamel, imitation hard enamel, and without coloringProcess: silkscreen printing or offset printing, 4-color process, CMYK processPlating: Nickel, Gold, Chroms, Antique ...