Being in shape and being sedentary at a desk, don’t work together. Luckily the Deskercise 6 lb. Sand-Filled Exercise Ball is here to do the trick. Fitting comfortably into the palm, this exercise ball is great at the desk for all types of toning exercises. But it’s not just for the desk, take it with to the gym or keep it at home and use it for a multitude of fitness exercises.