From the Protect-A-Bed Originals collection, the 100% waterproof Essential mattress protector gives you peace of mind that your mattress is fully protected against natural perspiration and various spills and stains. The core Miracle Membrane® embedded into the encasement helps you stay cooler and more comfortable throughout the night, with innovative allergen and dust mite barrier protection. Featuring stretch skirt for easy fitting on the deepest mattresses, and fully machine washable.