The pendant of this long tri-toned multi-triangle necklace measures 1.0″ by 2.0″. The chain measures 31.0″. This necklace also has a 4.0″ by 1/8″ back plate which holds the necklace in place on the back of your neck. Materials: 14k gold or rose gold-fill (14k gold over brass core/no nickel), sterling silver (.925), and oxidized sterling silver. All materials are hypoallergenic. The black (oxidized) components of our jewelry will wear over time and eventually achieve a beautiful antique-like finish. This necklace is designed in San Francisco and handmade in our Upstate New York production studio.