Made with a soft shell for ultimate impact absorption, the Body Solid(R) Soft Medicine Ball maintains its shape and weight balance after repeated use so you can strengthen your core and improve cardiovascular capacity with ease. Minimal Equipment for Maximizing Your Workout Adds resistance to a wide range of upper and lower body exercises Helps strengthen your core and improve overall cardiovascular capacity Great for strength training, flexibility and cardio conditioning workouts Durable Construction Soft-shell construction absorbs impact Maintains shape and weight balance after repeated use Easy to catch design Additional Details Diameter: 14''