... ,garment button,fashion button,brass button,rivet button,eyelet,d-ring,buckle,etc. metal button/alloy button: 1) material: brass, zinc ... alloy, copper, nickel, tin 2) color: plating: nickel free nickel, nickel free pewter, zinc,tin,old ... sample are welcomed. We will provide you professional service. fashionable diamond metal jeans / garment button