Thanks to the air cushion to sit not only healthy. It is also removable and is so for relaxation or for fitness exercises.
The assembly has fortunately turned out to be very easy: roll infected, damping and seat on top. Done.
The first seat test is quite unusual. You sit quite soft, but can be the seat cushion in the set "hardness", because it has a valve. The delivery included: A small air pump. Inflation falls slightly, as deflation, so you quickly find the optimum hardness for themselves.
If you sit longer on the Sitness Half a ball falls on: The attitude is equal to a very different, it looks healthier, better for the back.
The only small drawback: The roles go quite heavy on carpeting.
Even with included:
A poster with several exercises that can be carried out with the air bag, if it is not installed in the "chair". These are nice illustrated and well described. The exercises are intended to fitness and of course strengthen the necessary for a healthy posture muscles.
All in all, the fitness ball stool Sitness Half a chance for healthy sitting. Thanks to removable air cushion, it is suitable even for the one or other fitness exercise in between.