Medicine balls that fit in the palm of your hand. Add resistance to a variety of exercises or use in rehabilitation. Perform a wide range of core conditioning and upper- and lower-body exercises including crunches, rotational twists, push-ups, and leg raises. Ball fits in the palm of the hand allowing the user to move freely through a full range of motion during exercise. As conditioning improves, user may progress to heavier weights. Durable outer shell with filler. Balls do not bounce and are not intended for throwing. LENGTH: 14 cm. WIDTH: 14 cm. HEIGHT: 14 cm. WEIGHT: 1.41 kg.