Width: 1.8 millimeters (⅒ inches); Length: 18 inches; Clasp: Lobster-Claw; Weight: 5 grams DURABLE GOLD PLATING: features an approx. 0.12 mils (3 microns) thick layer of gold plating with a highly polished glossy finish, which gives you the look, feel, & experience of traditional gold jewelry at just a fraction of the price  black velvet pouch included 14k Gold Plated over 925 Sterling Silver  Rhodium Finish  Curb Chain  Necklace 1.8MM  Unisex  18'' in Length