Do you have a spare matress that you would like to keep from dust? or a bedwetting kid and you are tired of airing your matress on a daily basis? or are you taking care of an adult with incontinence problem and would want to ensure they are comfortable sleeping on a clean matress? this zippered waterproof mattress protectors is the best thing for you. you only wipe with a dump cloth to eliminate urine smell in the room.