Yellow Owl Workshop - Women's Lib - Hoop Earrings Made of brilliant cloisonné, these tarnish-resistant hoops are lead, nickel and cadmium free with a hypo-allergenic coating so they are suitable for even the most sensitive ears. Presented in our gift-ready glass vial with cork Diameter of .4" (10 mm) Easy to close hinge clasp Charm sizes vary Made in United States of America.New