the item size is: length:60cm(23.6")，width:1.0cm(0.39 inches).<br />Nickel free， not allergic， not easy to tarnish，shipped with gift box<br />it can keep color for long time <br />Classic double cuban chain for Wedding，Christmas，Birthday，Prom，Anniversary <br />Chain has a Lobster clasp to securely connect the Necklace<br />To better care for your gold filled items (as well as real gold items) avoid swimming， sweating and high humidity contact.