Rings by Miranda Sharpe A 1.5mm square section ring with a small oval shaped to the ring. The oval has grey hot fired enamel with fleks of yellow enamel. The silver is satin finished with burnished edges. Features Primary Material : silver Other Materials : enamel One of a Kind : No Metal : sterling silver Hallmarked : Yes Cleaning InstructionsUse an old toothbrush with hot soapy water. A solution such as silver dip can be used. It is recommended that an old toothbrush be used to apply the solution (avoiding enamel areas as they may be affected by the solution), then rinse in water and dry.