Rings by Sophie Stamp Anticlastic sterling silver ring with whitened channel and gold tube element. Item handmade to order . Features Primary Material : sterling silver Other Materials : 18ct gold One of a Kind : No Metal : sterling silver and yellow gold 18ct Hallmarked : No Cleaning InstructionsTo clean the jewellery use a soft toothbrush with washing up liquid and hot water. Rinse very well and pat dry with tissue then leave in a warm place to air dry fully.The rough satin finish on the outside of the ring can be maintained if required by rubbing gently with the abrasive pad supplied, avoiding the white area in the channel.