The Silver Tone Collar Necklace is simply elegant. This accessory features a sleek twist chain design style that adds charm to your look, day or night. Regardless of the season, this accessory elevates your special occasion looks. Collar necklace with lobster claw clasp closure. Dimensions: 15" + 4" extender. Part of the Fashion Basic Collection. 90% zinc, 5% brass, 4% steel, 1% cubic zirconia. Custom designed exclusively for Chico's. Handcrafted with nickel-free metal.