The necklace is a metal alloy in brushed silver. It has an 18″ chain with a 3″ extender. The pendant is the outline of each state and has a contrasting brushed gold heart charm, as well. Each necklace comes in its own custom designed Cents of Style envelope with string and button closure. A perfect gift for those close and far from home this Holiday season. These will all ship next week and arrive in time for Christmas.