Sterling Silver Rhodium Plated Cubic Zirconia and Lab Simulated Opal Dangle Earrings - in Sterling Silver - Gift ready jewelry box included - Measures 28.4x8.52mm Wide - Width of Item: 8.52 mm - Length of Item: 28.4 mm - Earring Closure: French Wire - Earring Type: Drop & Dangle - Finish: Polished - Feature: Solid - Engravable: Not Recommended - ::: [ 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. ::: ::: [ Potential Enhancement Methods: opal ] - Occasionally treated to enhance the color. Sometimes infused with wax, oil or plastic to enhance appearance and durability. ::: [ Care and Handling: opal ] - Do not use ultrasonic cleaner or steamer. Avoid heat and contact with cosmetics, hair spray, perfume and household chemicals. Clean with a damp cloth or soft brush. :::