You will not improve your posture while working if the shelves of the standing desk are not at a correct height. This standing desk has multiple slots, anyone can find the correct position for the monitor and keyboard shelves in relation to their eye level and overall height. The piece folds flat when not in use. Professionals recommend a ratio of 2:1 during the first 5 days.As days go by, you will start feeling more comfortable standing up. At that point you can start changing the ratio to 1:1 as this will give you the perfect health balance, increase your mood and energy level throughout your work day.