This 18" necklace is an ideal accessory for your wardrobe. Maybe you just like the colors the way they are, or maybe you like them because they are in Montana/Crystal, the official school colors for such teams as Pennsylvania State University, Butler University, Xavier University, Brigham Young University, the San Diego Chargers, the Dallas Cowboys and many more. Each measures 18mm in diameter, not including the loop. Comes with an 18" silver-plated chain. Made with Austrian crystals. Manufacturer direct from a trusted supplier.