Iowa State Cyclones Iridescent Red Gold White Charm French Hook Earring Jewelry Iowa State Cyclones silver french hook earrings with iridescent colored charm. Silver plated team logo charms on silver plated french hook earring. Earrings are approximately 1 1/4'' long and the charm is 3/4 inch by 1/2 inch. Officially Licensed NCAA Product by From the Heart Enterprises. Lead Compliant.