Officially Licensed Product by From the Heart Enterprises, a Division of Jenkins Enterprises. Oklahoma Sooners Stacked Disk earrings. Two Separate Stacked Charms. Top Charm: 0.625"- approximately the size of a dime. Bottom Charm: 0.875"- approximately the size of a quarter. Total earrings length: 3.875". These earrings are the perfect item for any sports fan. The simple elegance of these earrings make it perfect for wearing to the game or around town. Earrings are hypo-allergenic/nickel free.