The fashionable Big O Key ring helps you hold on to what is important! It measures 4" in diameter, so you can wear it on your wrist or above your elbow to keep your hands free. Each O-ring key ring is made of water repellant and scratch resistant leather ensuring it will last a long time. The key fob has a uniquely-designed clasp making it easy to remove your keys whenever you need them for the valet. Each Big O Key Ring comes in its own velvet pouch.