Topstar Sitness Half Ball Rolling Stool Black

Product suitable for both private and commercial use; sitting time recommendation max. 3 - 4 hours Trendy fitness stool and training device with air-filled half ball, a new way of sitting the ball; three-dimensional movable seat Seat height adjustment with top lift; seat hardness adjustable by compressed air regulation of the half-ball Removable half ball can be used as a training device for stomach, legs and buttocks