Gaiam Balance Ball Chair, Cool Grey

Ergonomic back support and spinal alignment Strengthens your core as you sit Easy one-tool assembly Stable, yet lightweight base is made from molded PVC Designed for heights of 5â-5â11" and weights up to 300 lbs. Desktop workout guide provides an effective low-impact workout and stretching routine Rolling, lockable caster wheels Latex-free, anti-burst 52cm balance ball 24-25" sitting height Measurements: 22"W x 31"H x 22"D; 13 lbs. Compatibility: 52cm balance ball. Manufacturer's warranty included (see product guarantee)