Yellow-tone 925 Sterling Silver Mens Cubic Zirconia Dog Tag Octagon Charm Pendant - 10.0 Grams In Sterling Silver in Plated Metal - FREE gift-ready jewelry box - 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. :::