The 5Tight™ Five-Sided Mattress Protector guards the top and all four sides of your mattress from accidents, stains, dust mites, and allergens. With an advanced AquaTight™ waterproof barrier, you get 100% reliable waterproof protection from all liquids and spills, and you also get a super smooth brushed polyester finish to ensure a soft and quiet sleep experience. SecureFlex™ fitted-sheet-style corners ensure a secure and flexible fit on mattress depths up to 14 inches. And when those inevitable spills do happen, just toss this protector in the wash and then dry on low heat to easily refresh your space. With new technologies to enhance and protect your sleep, Linenspa Essentials is here to make sure comfort is always a top priority.