MUJZHILI Sit Up Bench Portable Sit Up Bar Abdominal Exerciser Self-Priming Adjustable Sit Up Device Family Fitness Equipment Fitness Equipment

Product description it ups: exercise your whole body muscles and build a slim waist. Plastic material: let you carry lighter than iron Use steps: 1. A clean, dry and level ground is needed. Please wipe it with wet cloth or rag if necessary. It can't be used on wooden floor 2. Pull down the lock to make sure it won't move. This step requires your hands to operate at the same time to make sure the air is empty. Press the suction key 3. The upper bar is equipped with two adjustable gears, which can adjust the comfortable height for you. One of the bars is pulled open, and the static bar is pulled up and inserted back. 4. When you finish the exercise, just release the air from the suction cup, pull up the lock and take it away. If you have any problems, please contact us, we will give you suggestions or solutions.