Regoball combines the benefits of cryotherapy / thermotherapy and roller massage. Ideal for muscle recuperation, relief of chronic pain, inflammation, etc... The ball consists of a handle and a sphere that contains a thermal gel that accumulates heat or cold. Simply place the sphere in a bowl of boiling water for 15 minutes or for 2 hours in the freezer. The inertia allows to massage for about 40 minutes for hot and 6 hours for cold. Diameter 80 mm.