Elegant and sleek, this Sterling Silver Herringbone Chain Necklace Is flexible chain and has a 1mm width and secures with a lobster lock. Made from hypoallergenic materials, perfect for those with sensitive skin and available in different lengths. You will love this versatile piece for its comfortable fit and flat design, suitable to wear on any occasion.Metal - Solid .925 Sterling SilverWidth - 2.5MM WideLengths - 16,18,20,22,24 InchClosure - Secure Lobster LockLead And Nickel Free, Safe for all