Necklaces / Pendants by Joanne Thompson Hallmarked sterling silver. The loops have a matt texture. This single loop necklace is very comfortable to wear and useful for everyday. It can be worn as one long necklace or doubled up.The loops have a diameter of 20mm. Features Primary Material : oxidised silver One of a Kind : No Metal : sterling silver Hallmarked : Yes Length (inches) : 50 Cleaning InstructionsThe necklace can be cleaned using cold water and a mild detergent.