The Priva Waterproof Sheet Protector is excellent at keeping sheets dry all night long. The unique brushed polyester fabric channels fluid away from the surface for maximum comfort and ultra-dry surface. It Absorbs liquids quickly and locks in moisture for the best in skin care. Simply place it over the bottom sheet to protect your mattress and sheets from moisture and staining. No more middle-of-the-night bed stripping! Just replace the Priva sheet protector with a fresh one in seconds! The Waterproof Sheet protector comes standard with a Non-slip backing. This product comes with flaps that tuck under which ensure a tight, non-slip fit on your bed.