The Quiet Comfort mattress protector is a thin and moisture proof mattress protector. Offering the latest innovations and proven technologies. This mattress protector will create a barrier to stop moisture and allergens. Unlike other protectors, these are breathable, allowing body heat to pass through it and provide a comfortable sleeping surface. Mattress protectors are recommended for all mattresses. They offer mattress protection and ensures a healthy sleep zone. All moisture proof mattress protectors need to be removed from the mattress and washed within 24 hours of being soiled.