As a revolution of fitness and recovery, Tidal Tank is the only fitness product that responds directly to your movements. Lift the tank and the smaller angle ensures that the water flows from one side to the other. Once this happens, your muscles need to react immediately and most importantly, they work together to stay in balance. All this leads to perfect functional training, solves problematic movement patterns, prevents injuries and thus trains your entire body. Increase the weight as you walk, after a few weeks of dynamic resistance training with the Tidal Tank you will find that your functional strength increases. At this point, you don't have to buy a new tank to increase your challenge because you have full control of the weight by adjusting the amount of water. Maximum 20 litres or 20 kg. Note: Due to the water movement, it feels up to 3 times heavier. High quality stitching, the Tidal Tank is made of high quality 1mm thick clear PVC and the handles are specially designed for maximum comfort and strength. They have been laboratory tested to bear 200kg of pulling force. Whether the Tidal Tank is filled with 2kg or 20kg of water, you can be sure that the handles will stay in place. Easy to set up, press the valve button to open it. Now hold it under the key until the desired water level is reached. Press the button again to start it, the valve is now closed inside. Place the included pump and inflate the tank until it has the correct shape. And that's it. You are ready to start your workout.