Exercise Ball with Hand Pump - Yoga Ball - Core Balance Ball - 65cm Anti-burst Stability Ball This Ball Will Help Build Overall Strength Throughout Your Entire Body, Or Just Use It To Isolate a Certain Body Part. Many Variations Of Training Can Be Used With This Exercise Ball. Use in gym, home, office, Great for core stabilization. This Ball Offers You Protection Of Up To 600lbs Of Pressure If Applied. It Is Also Made Of An Anti-Burst Material Which Means, If Punctured It Will Not Burst Suddenly But Rather Slowly And Lose Air In A Safe Manner.