Sterling Siler Polished Cubic Zirconia Owl Pendant - in Sterling Silver - FREE gift-ready jewelry box - Feature: Solid - - This Item Does Not Ship With a Chain ::: [ Potential Enhancement Methods: cubic zirconia ] - Synthetic. Some are covered with a product that makes the stone more durable. ::: [ Care and Handling: cubic zirconia ] - Clean with warm soapy water and a soft cloth. :::