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.

Size: 4" in diameter

Manufacturer Style Number: BOKR-O-DR, BOKR-O-P