1.Material: Metal 2.Type: zinc alloy 3.Product Type: Pin 4.Technique: mold, injection, polish, plate 5.Use: Business Gift metal badge, pin ... metal badge, gold plating badge, zinc alloy badge 1): material:zinc alloy 2): ... (4):fitting: butterfly clutch(5): package: common pop bagabout the material, you also can choose copper, brass, iron, stainless steel, ...