This is a high quality sterling silver necklace. The Initial disc is a 1/2 inch sterling silver disc, the horse is approximately 3/4 inch wide, next to a cute sterling silver wing charm. All parts of the necklace is sterling silver.The chain is an 18 inch solid Sterling silver box link chain. With a 2 inch Sterling silver extender making this an adjustable 18-20 inch chain. Sterling silver should be polished regularly, and it is not recommended to wear Sterling silver in water. It should be stored in an airtight container