Material:Alloy. One Size Fit Most. A stylish popular and beautiful bikini necklace. Unique and fashionable, provide you the most charming look Fashion design, If you wear this body chain with Bikini,you will look more charming and attractive Tips to maintain your accessories:Please avoid contacting with the acid and alkali, corrosive substances. avoid the collision, so as to avoid surface scratches.avoid contact with Perfume, Body Lotion, Hairspray or any other Chemical that May Harm the shine of the metal.avoid wearing it when sweating a lot, shower or sleep, etc.