BERRICLE Italian Rhodium Plated Sterling Silver Popcorn Chain Necklace 1mm METAL: rhodium plated silver, stamped 925, high polished finish, nickel free. MEASUREMENTS: CHAIN: 22 inch in length, 1mm in width, lobster claw clasp STYLE: This chain necklace is a classic layering piece perfect for any outfit. GIFTING: Comes with FREE BERRICLE signature jewelry box and is ready for gifting.