Yoga Ball Inflatable Stability Ring Holder - Turn Your Balance Ball into Office Desk Ball Chair - Silver

product description 1.
Inflatable Yoga Ball Ring: Designed to be used with your fitness ball to prevent the balance ball from rolling or sliding when you sit or store it 2.
Durable and Lightweight: The inflatable ring will provide you and your balance ball with a stable position while sitting on your desk or table 3.
Suitable for large size balance ball: can be firmly installed on the bottom of the yoga ball 4.
Balls not included: Stability ball rings purchased do not include exercise balls