The Body Solid Medicine Balls are a great way to incorporate fitness into your everyday lifestyle. They can be used on their own for a variety of twisting, squatting, lunging and throwing exercises. They are ideal for a variety of group applications like physical therapy, aerobics and yoga.They can also be used to increase dexterity, reflexes and coordination by bouncing them against a wall or passing them to and from single or multiple partners.These medicine balls are available in ( 2lbs, 4lbs, 6lbs, 8lbs, 10lbs, 12lbs, 14lbs, 16lbs, 20lbs, 25lbs and 30lbs).