... *1.2MM craft: stamp brass with 2colors hard enamel ,silver plating customized and OE tin souvenir promotion badge1.craft: punch brass ... +stamp the out shape+jointing blood pin, butterfly cap+polish+plating gold+fill in enamel2. Material: brass, zinc alloy, iron ... stainless steel,aluminum (Pls check the attached product)3. plating : gold, silver, bronze,nickle,chrome,anti-pewter,anti-brass,anti-copper, ...