... making garment, fabric cover button, snap button, metal button, cloth button cover machine, mould etc. All Snap button made by H65 high quality brass material, nickel free ... sent out in 5-7days when order finalized. Jeans button/Brass button: 1)material:brass,zinc alloy,copper,nickel,tin 2)color:plating:nickel ... are welcomed. Any questions pls do not hesitate to ask!!! Hot Sale Metal Brass Button