... 1) Eco-friendly feature 2) Free lead and nickel 3) Size: 20mm diameter 4) OEM & ODM orders welcome Alloy Rhinestone Button (BT069) details ... ,aquamarin,sapphire,montana,peridot..Plating ColorGold (sliver,gold,rhodium,nickel,free nickel,black nickel/gun metal,anti-bronze...available)ApplicationGarment,bags,footwear,jewelry,browbands ...