This interlocking bangle set is composed of one thick rose gold, one thick silver and one thin oxidized (black) bangle. Each bangle is 2.3/4″ in diameter (medium), fitting most wrists. We also have a size small (2.1/2″ diameter) or large (3.0″ diameter) available. Materials: sterling silver (.925) and 14k rose gold-fill (14k rose gold over brass core/no nickel). We also have this bangle available in 14k gold-fill (14k gold-fill over brass core/no nickel), oxidized and silver. Click the drop-down menu to choose your desired metal combination and size. All materials are hypoallergenic. These bangles are handmade in our California and New York production studios.