Our large hoop earrings have a fully cast and enameled Oregon Ducks charm with enameled detail and a high polish nickel free chrome finish and rhinestone access. Hypoallergenic fishhook posts. Officially licensed College product. Large 2 inch hoops . Hypoallergenic fish hook posts. Rhinestone accent above team logo. Oregon Ducks charm with enameled team colors. Is made by Siskiyou Gifts.