Gaiam Adjustable Balance Ball Stool (31") Color:Black or a marathon

or a marathon

Delivers up to 60lbs of no-stall force

Draped racer back design

Contoured waistband that flattens tummy

Pilling and fading resistant

Gaiam Adjustable Balance Ball Stool (31") Color:Black or a marathonAt home or the office, the Adjustable Balance Ball Stool helps strengthen your core and improves posture. The adjustable height and stable, swivel base allows for easy movement. Features Balance ball stool. Metal and plastic base with domed, balance ball seat. Rolling, lockable caster wheels. Stable, 360 degree swivel base. Gives ergonomic back support and spinal alignment. Helps strength core as you sit. Fits most standing or standard desks.