The WBF HMS training bag is a piece of sports equipment that will help you increase your strength and muscle density. Training with a bag activates many muscle groups with just one exercise, improves overall fitness, and enhances body efficiency. Another great advantage is the significant improvement in grip strength and increased range of motion.The WBF HMS is a universal exercise device. Its shape makes it easy to grip in various ways, allowing you to work on different muscle parts. The type of exercise should depend on the user's training level and progression.The HMS bags are filled with sand, making them resistant to deformation, and the weight is always evenly distributed.Specifications:Material: synthetic leatherFilling: sandDimensions: 73 x 19 x 48 cmAvailable weights: 5 / 10 / 15 / 20 / 25 kg.