... cover machine, mould etc. All Snap button made by H65 high quality brass material, nickel free plating, any color is available, MOQ ... :1000sets, with high quality and competitive price, we've customers from all over the ... order finalized. Jeans button/Brass button: 1)material:brass,zinc alloy,copper,nickel,tin 2)color:plating:nickel free nickel,nickel ...