Increase your power by incorporating the 2.72kg (6 lb.) Iron Body Fitness Deluxe heavy-duty medicine ball into your exercise routine. This sturdy, rubberized ball has a non-slip surface. It can bounce, and it is weather resistant, so you can use it outdoors, at home, or in the gym. Improve your strength with weighted crunches, lunges, and other workouts alone or with a partner. | Iron Body Fitness Deluxe Heavy-Duty Medicine Ball - 6 lb