Rhodium On 925 Sterling Silver Black 2mm Waxed Cotton Bead Stringing Cord Choker Necklace 20" with Lobster Clasp Materials: Waxed Cotton and Rhodium on 925 Sterling silver (Stamped) Color: Black and White Gold Length: ~ 51cm (20 inches) Cord Thickness : ~2mm Size: Lobster Clasp: ~ 8mm (length) x 4mm (width)