heart shape metal charm 1.cutom design 2.factory price 3.eco-friendly , ... nickle free ,lead free 4.low MOQ heart shape metal charm 4. material: zinc alloy 5.various size ,color , shape, ... ring,cuff link and so on ), metal craft (like badge, charm),jewellary,furniture fitting ,parts for tool,for electronic products and ... other zinc alloy die casting products. heart shape metal charm with rhinestone