We supply the high quality fitness ball, the raw material for the jade or the stone, the guaranteed usable fitness ball practice, may maintain the blood vessels to be unimpeded, moves the physique, the maintenance skill and the finger flexibility and the strength. Through the finger movement, affects the whole body the vitality circulation. Achieves prolongs the life, treats an illness function which builds up strength. The fitness ball is one of Chinese tradition medical service projects. At the same time it also uses the energy conduction which jade itself contains to the human body in. Produces the wonderful results to the human body.