Key Features :
i : The Bintiva ball chair promotes an upright posture and proper spinal alignment.ii : The ball allows for some movement while seated to increase focus and attention to the task at hand.iii : The ball chair is designed to fit most standard desks or tabletops.iv : The ball is crafted from professional grade anti-burst materials, and features a textured non slip surface for ultimate user safety.v : In each box there is an air pump included. The chair is designed with lockable wheels for easy transport and safety.