The long tri-toned arc necklace's pendant piece is 4.0″ x 1/8″. The chain length is 35.0″. Materials: 14k rose gold-fill (14k gold over brass core/no nickel), oxidized silver and sterling silver (.925). There are four versions of this necklace; one available on a silver chain, the other on a rose gold chain. In addition, the 14k gold, oxidized and sterling silver version is also available, either on a silver chain or a gold chain. Click the drop-down menu to choose your desired metal combination. All materials are hypoallergenic. This necklace is handmade in the California and New York production studios.