Welcome to the world of active sitting and a chair that just might change your life. Our bestselling Classic Balance Ball Chair provides all-day ergonomic support for a stronger healthier back. By sitting on the ball, you’ll improve your posture and spinal alignment while getting a powerful core-strengthening workout. Ergonomic back support and spinal alignment Strengthens your core as you sit With anti-burst, 52cm Balance Ball Easy one-tool assembly Stable, yet lightweight base is made from mol
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