American West Sterling Silver Mixed Metal Black Agate Cuff Bracelet Genuine Black Agate, Bronze, Brass, and .925 Sterling Silver Measures 5-3/4"(Inside Circumference); traditional medium fit See Ruler View for accurate sizing. Silver may tarnish over time. Handcrafted in America with lifetime warranty on all jewelry Stunning black agate is framed in dramatic style by floral filigree of silver, bronze, and brass.