Materials: 18k gold plated brass Measurements: 400mm/15.75" in length, 50mm/1.97" in extension length. Gold Plated Tarnish Resistant Jewelry, Gold-tone Clavicle Chain Jewelry, Plated Metal Bracelet Jewelry, Tarnish Resistant Gold Plated Jewelry, Gold-tone Clavicle Chain Jewelry For Wedding, Plated Metal Bracelet, Gold-tone Gold Plated Bracelet, Spiritual Gold-plated Tarnish-resistant Necklaces, Gold-tone Gold-plated Bracelet