It can be used in any home or commercial gym of Core for sports, endurance, function, strength, aerobics or enhancement training, for throwing, slamming, throwing, passing, etc. 2) High-quality and durable rubber balls will absorb most of the power, but if you can throw the ball on a soft surface (foam, grass, mat, cushion, etc.), it will be better than throwing it on a hard surface (cement floor). /Wall, wood, steel, ceramic tile, marble, etc.) have a longer service life 3) Absorb impact and will not bounce 4) Texture rubber non-slip spherical surface provides excellent grip efficiency, allowing users to focus on exercise 5) After use: use belt Clean the ball with a soapy cloth, and then dry it to prolong its life.