Deeper, more restful sleep from cooling technology and luxury-soft quilting. Get more comfortable sleep while keeping your mattress safe from dust, stains, and mites. Our Cooling Mattress Protector uses state-of-the-art material that is soft and breathable to regulate heat and protect your mattress. Comes as a pack of 4, individually boxed inside the carton. Each protector fits mattresses up to 18" deep.