The Fuel Pureformance 20 lb Medicine Ball is a long lasting exercise tool that will withstand heavy exercise routines and can be used for strength training, cardiovascular fitness, flexibility, or muscle training. Perfect for cross training, boxing, martial arts style training or rehabilitation exercises. The ball does not bounce and absorbs impact- you can drop it or throw it. Offers complete versatility to strengthen your upper and lower body and increase core strength. Constructed from durable synthetic leatherette, heavy duty stitching and non shifting fill weight for total control. The ball is 10-Inch in diameter.