Enlighten any environment while putting a little bounce in your day. Perfect for use in a variety of applications including collaboration spaces, lobby areas, meeting rooms and personal workspace. Designed with a 17 1/2" (anti-burst) exercise ball, this chair provides an active seating experience to potentially increase concentration and retention while helping to promote better posture and balance through building core muscle strength. Powder coated steel legs and stationary glides. Pump included.