Offering all the benefits of the standard Medicine Ball, the Double Grip increases control and ability to cope with heavier weight. Despite the handles the Double Grip remains a perfect sphere. Can be inflated or deflated to suit required hardness.One piece moulded rubber ball with 2 handles, easy to grip with one or two hands; these balls bounce and are waterproof for in or outdoor use. Features Increases control and ability to cope with heavier weight. Despite the handles the Double Grip remains a perfect sphere. Can be inflated or deflated to suit required hardness. One piece moulded rubber ball with 2 handles. Colour coded for weight easy distinction. Sizes: 4kg - 9kg