Increase mobility, explosive power and muscular endurance with the ETHOS(R) Wall Ball, designed with a durable vinyl-coated nylon carcass that maintains its shape and form for long-lasting use during rigorous training sessions. Maximize Your Workout Adds resistance to a wide range of upper and lower body exercises Helps strengthen your core for improved cardiovascular capacity Great for strength training, flexibility and cardio conditioning workouts Quality Construction Durable vinyl-coated nylon carcass is scuff and moisture-resistant Maintains consistent shape and form for long-lasting use Industrial strength stitching Additional Details Sold as a single wall ball Diameter: 14''