The Marble Silicone Big O® Key Ring is the perfect match for the woman who likes the classics straight up with a twist. Crafted from a white silicone base, this ultra-durable waterproof collection is marked by a swirling marbled pattern, which leaves no two O’s exactly the same. The Original Big O Key Ring is a one-size-fits-all bracelet key ring that can be worn on your forearm or above your elbow for hands-free ease. The patented, signature locking clasp clicks open and closed so you can contain your house keys, car keys, card case, and more in one central, secure location.