BERRICLE Italian Rhodium Plated Sterling Silver Round Omega Chain Necklace 1mm METAL: rhodium plated silver, stamped 925, high polished finish. MEASUREMENTS: CHAIN: 18 inch in length, 1mm in width, lobster claw clasp STYLE: This chain necklace looks great on its own or with your favorite charm for a touch of personalized sophistication. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.