Small for 450/550mm Balls, Supports for Anti-Burst Swiss Ball, Each

A great additional item to assist the anti-burst Swiss exercise ball. This base unit restricts the ball movement whilst still offering the benefits of muscle tension to help correct postural concerns. Suitable for 450/550mm balls (code 265179). Perfect for anti-roll storage of your exercise ball or if you want to use the anti-burst Swiss ball as a chair to aid with postural problems. Sold individually. Ball not included.