This two-toned interlocking bangle bracelet is composed of 2 thick yellow gold and 2 thick silver bangles. 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: Sterling silver (.925) and 14k gold-fill (14k gold over brass core/no nickel). All materials are hypoallergenic. This interlocking bangle bracelet set was designed in San Francisco and is handmade in our Upstate New York production studio.