This yoga ball with pump is a good choice if you want to strengthen your abdominals, core stability and endurance. It is made of high quality PVC and ABS with a non-slip surface for safe, and this unique device can be used with the dome side up to give you an ever changing dynamic surface to stand on, jump on, or kneel on to train every part of your body. What’s more, the material is environmentally friendly and it is easy to carry to your office, the gym, park or back to home. If this is what y
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