BERRICLE Italian Rhodium Plated Sterling Silver Rock Chain Necklace 1.5mm METAL: rhodium plated .925 sterling silver, stamped 925, high polished finish, nickel free. MEASUREMENTS: CHAIN: 22 inch in length, 1.5mm in width, spring ring clasp STYLE: This chain necklace's dainty style is great for adding your favorite charms for a dash of personalized flair. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting