These necklaces are handmade from a US coins. Each one is meticulously crafted and designed by our biggest Swifty employee(he is very proud of these). We hope you enjoy these as much as we do and enjoy finding little Easter eggs in each one. For example, on the back of the 1989 you will see that it is made from a 1989 quarter! Get one before your ERAS concert! A 20" thin chain will be sent with this order. However, if you would like a different size offered below please message us immediately after ordering. We offer various chain sizes from: 18" thin 20" thin 24" thin 20" thick 24" thick Key Chain Adj Black Cord