BERRICLE Italian Rhodium Plated Sterling Silver Rolo Chain Necklace 1mm METAL: rhodium plated silver, stamped 925, high polished finish, nickel free. MEASUREMENTS: CHAIN: 22 inch in length, 1mm in width, spring ring clasp STYLE: This chain necklace's simple and classic style is the ultimate jewelry staple every woman should own. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.