5 small hoops are .75″ diameter 10 larger hoops are 1.5″ diameter 18″ + 2″ Extender Sterling Silver Necklace Finished in Rhodium Vermeil to prevent tarnish. This beautiful Private collection piece has been hand-picked from the finest designers in Italy and will not tarnish. Made in Italy DETAILS Length: 18″ + 2″ Closure: Lobster Clasp Metal: 925 Sterling Silver Finish: Rhodium Vermeil