metal chest badge 1)Material: brass 2)Plating: gold 3)Process: Photo etching ISO9001-2000 and SGS Metal Chest Badge :Specifications:1) Materials: tin and plastic badge available.2) Sizes (diameter mm): 20, 25, 26, 30, 32, 35, 38, 40, 44, 50, 55, 58, 65, 753) Shapes: round, square, heart-shaped, rectangular and oval moulds available4) Processing: offset printing or silk printing on metal or paper, ...