In the Pool Marble
Big O Key Rings are waterproof, ultra-durable, and completely stain-resistant. 
Key Features:
Non-toxic, smooth silicone circle key ring
Waterproof and stain resistant
3.75-inch diameter
Oversized bracelet key ring fits over your wrist or above your elbow
Signature locking clasp secures keys with a click
The original, patented O key ring design