Short pattern type that is easy to handle even on narrow stairs. The rod-shaped mop makes it easy to reach corners of curved stairs. ● The case opens wide, so dust accumulated is easily discarded. Comes with a case that can be stored freestanding, so you can place it in a place that is easy to reach in your living room, etc., and you can clean it at any time. The mop size is according to the depth of the staircase.