- Helps build a healthier back, align the spine, relieve pain, and improve your overall well-being
- Designed for users 5-feet to 5-feet, 11-inches tall; 300-pound weight capacity
- Includes removable 52-centimeter Balance Ball, an adjustable back support bar, easy-glide caster wheels (2 lockable), secure metal ball holder, air pump, and a desktop exercise guide
- Note: for optimal performance, it may be necessary to re-inflate your new Balance Ball once or twice after the initial inflation