Mason & Madison Co. Has Been Featured On. Item Details:. • Gold Chunky Chain Necklace. • Gold Cable Chain Necklace. • Premium-grade PVD 18K Gold-plating for a durable and scratch-resistant accessory that withstands all the elements of an active lifestyle without sacrificing a luxurious look.. • Chain length: 18 in + extension: 2 in / 24 in. • Golden Benefits: the Energy of CONFIDENCE + SELF-WORTH + COURAGE. • Designed in New York, USA