The York 7kg (15.4lbs) double grip medicine ball is manufactured from a durable rubber compound material and features dual handles for added comfort. It improves balance, core strength, agility and proprioception to enhance athletic performance. The ball is great for plenty of exercises including rock and roll ups, reverse swings, step jumps, circle squats and medicine ball push-ups. This high quality ball utilizes a textured surface for an anti-slip grip and is easy to clean.