Material: 18k gold filled and Rhodium Plated Necklace Size: 18 inches Size: 29 x 9.5 mm Perfect for all time. High-quality necklace! Rhodium-plated jewelry is made from a base metal of gold, silver, or other alloys coated in a thin layer of rhodium for extra strength and luster. Jewelry plated in rhodium is shinier and more durable than other metals. Rhodium plating does not scratch, dent, or corrode and retains its shine. New! Excellent quality. It looks even better in person. This is a product for women.