The WBF HMS punching bag is a device with which you can build strength and improve muscle density. Training with a punching bag allows you to activate many muscle parts during a single exercise, improve physical fitness and the efficiency of the body. Another great advantage of bag exercises is the significant improvement in grip strength and increase in range of motion. WBF HMS is a versatile exercise device. Its shape makes it possible to grasp it in different ways, thus training different parts of the muscles. The type of exercise depends on the users training level and advancement. HMS bags are filled with sand, so they are resistant to deformation, and the weight is evenly distributed. Specifications: Material: ecological leather Filling: sand Dimensions: 73 x 19 x 48 cm