Our non allergenic waterproof mattress protector has been designed with fluid-proof technology and extra soft cotton quilted fabric. Provides the unique ability to absorb fluids and is ensure to not change the feel of your mattress. This mattress protector allows air to flow through while being impermeable to fluids and moisture. Totally protects the top of your mattress against Fluids, Dust Mites, Allergens, Mildew, Bacteria, and Mold. This is not an encasement.