plating over brass metal. lead and nickle free, made to last a lifetime, comfort fit jewelry. high polish. smooth outer design . comfortable wearing. quantity: 1 pcs size:Inner diameter 8mm and 10mm color: gold, silver and rose gold plated material:brass and cubic zircon Note: Our earrings are fashion jewelry, although we believe the quality of our products, please keep away from water, sweat and chemicals. Don't wear them when you swim and shower.