Sterling Silver Rose Gold-Flashed Cubic Zirconia Threader Earrings - in Flashed Metal - Width of Item: 3.04 mm - Length of Item: 51.04 mm - Earring Closure: Threaders - Earring Type: Threaders - Finish: Polished - Feature: Hollow - 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. :::