URBNFit Exercise Ball Chair Stand - 1-Piece Base For Yoga, Swiss, Stability And Office Balance Balls - Use For

This base provides stability and aids balance while sitting on top of your yoga ball chair. This 1-piece Swiss ball base arrives ready to go, making it easy to use and store away. Our stand is designed to work with any 45cm, 55cm, 65cm, 75cm, and 85cm yoga ball office chair.