Black Zirconium Polished With Simulated Opal Inlay 8mm Band - - Gift ready jewelry box included - Ring Size Options: 10 10.5 11 11.5 12 12.5 13 8 8.5 9 9.5 ::: [ 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. ::: ::: ::: [ Care and Handling: zircon ] - Avoid abrasives, rough handling and exposure to excessive light. Clean with warm soapy water and a soft cloth. :::