Advantages of exercise ball: washable material, extreme strength of 2000 microns, load capacity up to 300 kg. The ball brings a lot of flexibility and it can be quickly stowed away and when you need extra space simply and easily. A practical ball: this seat ball comes with a pump. With ball pump you save valuable time when filling the Pilates ball. When you are tired, you like to sit on the ball to be more active. Amazingly how quickly you get fitter and more concentrated. You can do sports exercises at home. High-quality workmanship: made of skin-friendly PVC non-toxic and hypoallergenic smooth surface. Gymnastic ball of professional quality, makes the 55 cm - 75 cm pilates ball safe and durable. Anti-burst system: innovative anti-burst system makes the training ball durable and should prevent bursting. Anti-burst system prevents ball bursting. Use in sports: abdominal training, gymnastic exercises, back school, back training, rhythmic sports gymnastics, strengthening the muscles of the back, stomach and so on.