- Abdominals are targeted as the abs and back muscles are simultaneously worked.
- Challenge your body to work harder while engaging your core muscle groups.
- As all the major muscle groups are exercised, tone, strength, and endurance are improved.
- Use as a desk chair and workout your core without even realizing you are. 5. The instability forces you to engage your core while you sit.
- Includes a hand pump for easy inflation. Anti-burst, 100% PVC, 6P free and Eco-friendly.