For the first time ever, the Silicone Big O® Key Ring has been reimagined in a decorative, new shape: Hollywood Regency-inspired bamboo! 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 mor