These earrings are a perfect complement to most any wardrobe. Perhaps they are the perfect colors for you, or maybe you like them because they are in Jet/Light Colorado Topaz, the official school colors for such teams as the University of Iowa, the University of Pittsburgh, Purdue University, the Pittsburgh Steelers, the New Orleans Saints, the Baltimore Ravens and many more. Each measures 18mm in diameter, not including the loop or the ear wire. Made with Austrian crystals. Sold by the pair. Manufacturer direct from a trusted supplier.