Can be used for balance training and core muscle exercise Improve coordination, muscle strength, and flexibility Base and the hemisphere are fixed by 18 screws 6 non-slip gasket is in contact with the ground Spherical surface anti-slip texture for overall anti-slip and solidness Tension tube is connected to the buckle for resistance training Sphere is made of high-quality PVC material Spherical surface is composed of a concave and convex rough surface and smooth surface Instability of the hemisphere can provide a constantly changing sports surface Durable spherical surface and wide base can withstand up to 300kg Logo is permanently engraved on each spherical surface
