The energy pack can exercise your whole body strength and enhance your explosive power, hard pull, shoulder press, high lift and deep squat etc. Livepro fillable energy pack trains the whole body in many ways, with 4 bags filled with sand and weighing up to 20kg. The sandbag comes with double Velcro and carrying handle and the sandbag is reinforced with cross-stitching and can easily cope with swinging and other exercises.