1.5mm Sterling Silver Rhodium-plate Simulated Onyx Syn. Turq. and Mop Expandable Bangle Bracelet - in Sterling Silver - Charm/Element Width: 9.25 mm - Width of Item: 1.5 mm - Charm/Element Length: 9.25 mm - Length of Item: 8 in - Clasp /Connector: Slip On (No Clasp) - Finish: Polished - Feature: Hollow - Feature 2: Slip On - 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: onyx ] - Occasionally stabilized with plastic to enhance durability. Sometimes powdered material is compressed with a binding agent under extreme pressure and heated to bind together small pieces of natural material into a larger whole. Always dyed to enhance the color ::: [ Care and Handling: onyx ] - Avoid exposure to extreme light and heat as stones may fade. Clean with warm soapy water and a soft brush or cloth. ::: ::: [ Potential Enhancement Methods: MOP ] - Usually bleached, dyed irradiated and/or coated to enhance color. ::: [ Care and Handling: MOP ] - Clean with warm soapy water and a soft brush or cloth. :::