... colors and designs 3, Eco-friendly Zinc alloy buttons Production Typebuttons, decoration buttons,clothes buttonsMaterialzinc alloy, bronze, brass, aluminum, ... also.Processdie casting, engraved, embossed, painted, transfer printing, plated, welding, etc.Platinggold, antique gold, silver, antique silver, ... to cooperate with you. zinc alloy buttons,clothes buttons,jeans button, four holes button