14k Gold Plated Adjustable Layered Chain Crystal Lock Necklace Lobster closure Polished finish Warranty available China Imported Product Specifications 16-20" adjustable length; 2 chains: (1) 15", (2) 15" + 2" extension; Pendant: 13mm width, 20in Material & Care 14k yellow gold plated brass Metal, Gold plated Clean with a soft cloth.