1Front side, 302 non-slip massage points, good anti-slip effect. 2With 8 anti-skid washers on the back and anti-skid washers on the bottom. There is no limit to training places, and smooth ground is also acceptable. 14 screws reinforced and fixed, non-slip washer. 3PVC material, using the instability of the spherical surface, can effectively exercise strength, balancing and core strength. 4Reinforced thickened base, high safety, the thickness reaches 3.2cm; stainless steel buckle, the buckle on the drawstring, safe and reliable. The anti-skid texture of the base, anti-leakage air plug does not leakage for a long time, and the anti-skid texture is safer. 52 different colors for you to choose, meet your different needs.
