It can easily be washed simply with a damp cloth or with a detergent that must be diluted in a 1: 1 proportion with water. Of course, in comparison with a whitewashed, pasted wallpaper and painted ceiling, a plastic ceiling is just perfect option. At the same time, one can forget about such things as the clatter of the legs of the neighbors from above, since the air layer formed between the ceiling and plastic creates excellent soundproofing.