The York 4kg medicine ball with rope will help you to improve core strength, hand-eye co-ordination, agility and range of motion. It is a brilliant core training and explosive power training tool and offers a 2-tone design. The ball is manufactured from a rubber compound material for extra durability and is easy to clean. It weighs 4kg (8.8lbs) and has a looped nylon rope for assisted power swings. In addition, this high quality ball is a fantastic addition to any home or gym and is excellent for plyometric and stabilizer exercises.