Speciman Fitness Gear-Exercise Ball-65cm-Anti burst,Yoga,Pilates Workout Ball and Pump-Training Home Gym,Gym, and Outdoor Workouts-Fitness Equipment-Easy to Use-Build Muscle increase Strength and Stability in Upper,Lower,and Abdominals-Lifetime Guarentee Increase Flexibilty, and strengthen your abdominal area, thighs, and lower back using this High Quality Speciman Exercise Ball Use this fitness ball at home, gym, yoga, pilates, or as a desk chair. This versatile exercise ball will help improve your coordination, stability, and balance. This Anti-burst Professional grade exercise ball features an easy to use air pump which makes this both portable, durable, and convenient to use ad add to any gym, home or office. The size is 65cm and will hold up to 350 lbs Speciman Exercise ball comes in purple and with air pump