The Sealy Cooling Comfort Fitted Mattress Protector is constructed with soft quiet fabric that won't alter the feel of your mattress. A cooling finish keeps you cool, comfortable and dry all night long. The mesh sides easily stretch to fit mattresses up to 18" deep. Waterproof protection prevents spills, stains, urine & perspiration fro ruining your mattress. Sealy mattress protectors extend the life of your mattress by adding a protective layer between your sheets and mattress keeping it clean and fresh. The temperature regulating fabric keeps you cool and dry for a more comfortable night's sleep. This mattress protectors is an excellent choice for people who suffer from allergies, asthma, eczema or incontinence.