Mason & Madison Co. Has Been Featured On. This gold chain necklace is a perfect accessory to your any daily look.. 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. • Golden Benefits: the Energy of CONFIDENCE + SELF-WORTH + COURAGE. • Dispatched from New York, USA