... Nickel/lead free 4, High quality, best price Snap button 1. Metal/Snap button material : Zinc alloy, copper, Brass.2. ... .4. All metal button are in various colours & designs.5. All metal items can be electroplating, enameled, sprayed, polished ... button, zinc alloy button, rivet, buckles, Snap button, Spring snap button, prong snap button, ring snap button, Nail heads, Trousers hooks, Tack buttonSnap ...