... 3.Fast delivery and best service Product Name:Metal Jean Buttons with Pattern1. Metal/jeans button material : Zinc alloy, copper ... sandard : Nickle free / no-azobenzene / lead free.10. Metal button with superior quality & competitive price, prompt lead-time.11 ... Trousers hooks, Tack buttonSnap fasteners, Fashion button,Fancy button, Double rivet, metal buckle, alloy buckle, alloy snap button,Nynon snap ...