Mason & Madison Co. Has Been Featured On. This chain necklace is the statement maker. Amaze the crowd when wearing it alone or layer it as a perfect addition.. Item Details:. • 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: 16 in, Extension length: 2 in. • Width: 5 mm. • Golden Benefits: the Energy of CONFIDENCE + SELF-WORTH + COURAGE. • Dispatched from New York, USA