... by H65 high quality brass material, nickel free plating, any color is available, MOQ:1000sets, with high quality and competitive price ... Jeans button/Brass button: 1)material:brass,zinc alloy,copper,nickel,tin 2)color:plating:nickel free nickel ... high quality with reasonable price. 6)customized design and sample are welcomed. Any questions pls do not hesitate to ask!!! best price&high quality brass ...