Officially Licensed University of Oregon Ducks Silvertone Square Crystal Studded Earrings University of Oregon Logo w/Clear Crystal Surround. Square Fishhook Earrings Measure 1.6" L x 0.9" W. Officially Licensed Product! MADE IN THE USA. Arrive in Gift Box! Perfect for Game Day!!! See our Storefront for our Coordinating Oregon Necklace, Ring & Cuff Bracelet!