The Evolution Hemisphere Active Sitting Stool provides a compact alternative to The Original Evolution Ball Chair while providing the same benefits of improved posture, core strength and overall back health. With a low profile half ball design, this high quality active sitting option features adjustable height, an anti-burst stability half ball, smooth rolling casters, and includes a pump.
Features of the Evolution Hemisphere Active Sitting Stool
Inflatable semi ball seat
Gas lift height adjustable
5 point base with casters
Dimensions 21 × 18.5 × 6 in