Inflatable half-sphere with a circular sturdy base, one of the most appreciated tools for trainers. Great multifunctionality it can be used on both sides and in combination with many other tools, like elastics, for which it is equipped with 4 attachement holes. The unstable base is the main use for proprioceptive, strength and rehabilitation exercises, especially in athletic conditioning and pt contexts. In addition to this, Dune Ball is now diffused in group classes with varied exercises of dynamic high interval training.