About this item:
Employs a standard yoga ball placed inside a wheeled frame as an alternative to the standard office chair. The top of the ball is about 20" off the ground. It is designed to fit most standard desks. The built-in wheels make it easy to move from room to room. The wheels can be locked in place so that it doesn't move while in use. The ball is crafted from professional-grade anti-burst materials and features a textured nonslip surface for ultimate user safety.