This water heavy bag is perfect to practice cross hook, uppercut and various boxing combinations. The heavy bag will fight back in a straight line and an arc, which helps you to improve reaction speed. The weight can be freely adjusted by adding and removing water. And the package comes with a water injector with hose. Filled with water, this boxing bag can effectively absorb heavy punches and noise. Made of high quality PVC material, the water punching bag is durable for long service life. The installation is easy with step-by-step instruction and included hardware. You can mount the water punching to the ceiling, wall, and punching bag stand. Max weight up to 50 kg after filling the water Can fight back to enhance the reaction ability Absorbs hard punches and protects your waists Made of thickened PVC material for high durability Easy to carry and store after emptying the water Can be mounted on ceiling, wall and punching bag stand Includes high quality hardware and a water injector