Designed for high-impact training, Xpeed Slam Balls also known as ‘dead balls’ are a durable, no-bounce solution for functional conditioning. Their rugged outer shell and balanced weight distribution make them ideal for repeated slams, throws and lifts, helping to build explosive power, core strength and endurance. Made from a durable rubberised vinyl carcass with sand filling and a textured surface for enhanced grip. Designed to engage major muscle groups when used correctly, a great tool to fit into any fitness program.