This three-color interlocking bangle bracelet is composed of 1 thick yellow gold, 1 thick rose gold, and 2 thick sterling silver bangles. Our bangle bracelet sets come in size small (2.1/2″ diameter), medium (2.3/4″ diameter), or large (3.0″ diameter), though size medium fits most wrists. Materials: 14k gold and rose gold-fill (14k gold over brass core/no nickel) and sterling silver (.925). All materials are hypoallergenic. This interlocking bangle bracelet set was designed in San Francisco and is handmade in our Upstate New York production studio.