Silicone O-Ring

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The original, one-and-only Big O Key Ring.

  • Each marble Big O Key Ring has its own unique pattern, so no two are exactly the same
  • Non-toxic, smooth silicone
  • Stain resistant, water-proof
  • Perfect for beach, pool and workout
  • 3.75 inches in diameter
  • Signature locking clasp securely holds keys and essentials 
  • Patented design
Photography by Joe Worthem