This is the allergen resistant mattress pad made with a soft and breathable fabric that also provides a waterproof barrier against spills. Made using advanced fabric technology, the unique bedding helps keep you cool throughout the night while inhibiting dust mites, viruses, mold, and mildew. Its dual layer design contains a soft top surface comprised of 47% Polyethylene with graphite/53% Polyester and a bottom surface made with 100% Polyester laminated with breathable polyurethane. Machine wash and dry. King. 80" L x 75" W x 18" D.