... ball *eco-friebdly,lead/nickle-free *china manufacturer making directly *price negotiated Specifationchina manufacturer alloy button with plastic ball :Material:Brass, ... ballDesign:Different patterns. Color: Enamel colors,anti brass,nickel, black nickel,gold imitation...ect (nickle free,lead free,rust free ... and perfect after-sale service, thank you! china manufacturer alloy button with plastic ball