Oh, those summer nights! This moon and star anklet is 9" long with an 1" extension. Approximate measurements of charms are: moon 6.1mm x 8.3mm and star 5.3mm x 6.4mm. Spring ring closure. Rhodium-plated .925 sterling silver. ABOUT RHODIUM FINISH: A rhodium finish is plated over other metals to make it non-tarnish, and is a hard-wearing, scratch resistant metal - the same metal used to plate white gold! Rhodium is more expensive per ounce than gold, platinum, or palladium!