3.5mm Sterling Silver Ruthenium-plated Cubic Zirconia Cuff Bangle Bracelet - in Sterling Silver - Charm/Element Width: 5 mm - Width of Item: 3.5 mm - Charm/Element Length: 6 mm - Length of Item: 6.25 in - Chain Length: 6.25 in - Clasp /Connector: Slip On (No Clasp) - Finish: Polished - Feature: Flexible - Feature 2: Semi-Solid Ruthenium plating - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations. ::: [ 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. :::