Officially Licensed University of Kansas Jayhawks Silvertone Crystal Studded Stretch Ring University of Kansas Jayhawks Stretch Ring. Top Logo Measures 0.9" in Diameter. Clear Crystal Surround. Stretch Ring, One Size Fits All. Officially Licensed Product. Arrives in Gift Box! See our Storefront for our coordinating KU Necklace, Earrings & Cuff Bracelet!