' anti-burst ', i.e. the ball is very hard-wearing and practically "bersten safely"
Advantages
good value for money
hand air pump included
robust and clean processing
exercises in sitting the back muscles
large color selection
disadvantages
When you relied upon, it makes noises
to find no outlet valve
it wobbles not enough for boarder training
after some time is tiring sitting
our video from the PumpUp balance cushion
Conclusion
With the ball seat cushion "PumpUp" you can make not much wrong. It trained many muscle groups while sitting without active intervention and is suitable for beginners as balance - sports equipment. The small hand air pump is a nice bonus if the seat cushion but one day time air should lose. It is a pity that I could find no outlet valve to release air.
The color pink is just for girls and brave, but a selection of 10 different colors, there is something sure for every taste and Chair. The diameter is ideal for an average large buttocks and the volume of delivery covers the most weight classes. The "PumpUp" is a recommended ball seat cushion.
