Sterling Silver Rhodium-plated Simulated Opal and Cubic Zirconia Halo Adjustable Bracelet - in Sterling Silver - JewelryWeb Style: QTB399834SS - FREE gift-ready jewelry boxCharm/Element Width: 8.64 mmWidth of Item: 8.64 mmCharm/Element Length: 12.3 mmChain Width: 1.11 mmClasp /Connector: Slip On (No Clasp)Finish: PolishedChain Type: BoxFeature: Adjustable [ 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.