... 3, Eco-friendly Zinc alloy buttons Production Typebuttons, decoration buttons,clothes buttonsMaterialzinc alloy, bronze, brass, aluminum, etc.Size10-25mmDesignround,quadratic ( ... when the quantity of custom medal is large. LiHao badge craft factory, established in 1989, is a reliable and professional ... looking forward to cooperate with you. zinc alloy buttons,clothes buttons,button with holes