Waterproof mattress covers will prevent the mattress from being soiled by bodily fluids or any other fluids. you don’t need to take the mattress out to dry since its protected and your house will not have that foul smell. just remove the mattress cover and wash it. its light material dries fast. offering protection for your mattress while adding additional softness to your bed is a perfect fit, kids do not need face the embarrassment from other kids if they wet their bed just remove the cover and clean it hang it to dry.