A multi-purpose fun prop to work out your core and improve your flexibiltiy. It can also be use to induce instability to your regular routine. If you ever got tired of sitting in a chair, try sitting on these balls to improve spinal alignment and train your lower back muscles.
- Available in 3 sizes: 55cm/65cm/75cm
- Made with durable PVC material
- Anti-slip and anti-burst design
- Adds instability to challenge your yoga poses and increase the difficulty level of training exercises.
*Anti-burst under normal usage environment. If you stab it with a knife or run it over with a bulldozer or use it on any ridiculous unnatural situation, it will still burst