Underinflate to give the ball a soft,mushy feel,or inflate it to its max for a firm bouncy feel. The exercise balls have a 300 lb weight limit. On the initial inflation,inflate the ball,wait 24 hours,then add more air to fill the all to its maximum size.
Use them for general exercise, physical therapy, sports training, toning, weight loss, pilates, yoga and more! Take Your Workouts Anyw – Never miss a workout! Choose from seven resistance levels, ranging from x-light (yellow) to xxx-heavy (gold).