A Chinese-style screen of hotel partition ruler is about 1786* high, 435* wide and 21mm thick. Screen, a kind of furniture used for wind protection inside buildings in ancient times, is called "shielding the wind". The number of high partitions is calculated as the square of length × height. It is the material area of each screen, not the floor space. For example, a screen is 1.4m long and 1.2m high.