An old fashioned way to improve strength, power, speed and acceleration. - Going back to the ancient Greeks, coaches have known that in general, the more sport specific your training, the better. Our Medicine Balls have a hard shell to hold their shape, thin rubber exterior for comfort and small profile for easy handling. - Suitable for just about any fitness environment - commercial gyms, home gyms, outdoor boot camps and more! Improve all-round strength - Increase power - Improve speed and acceleration - Highly portable - Super long lasting - Cost effectiveVersatileWeather proof - Ideal for rehabilitation and injury prevention - Available in 3, 5, 7 and 9kg. - Important note: Medicine Balls should not be used for slamming or high impact.