LINENSPA Premium Smooth Fabric Mattress Protector - 100% Waterproof - Hypoallergenic - Top Protection Only - Vinyl Free - Twin Soft, quiet and 100% waterproof top surface repels all liquids including bodily fluids, perspiration, urine and accidental spills Ultra-thin hypoallergenic fabric with noiseless polyurethane backing blocks dust mites and allergens - vinyl-free materials safe for the whole family Fully-elasticized fitted sheet style protector features deep pockets for a smooth, secure fit on mattress depths up to 18"; design is intended to be used with a fitted sheet placed over the protector to keep the feel of your mattress Crinkle-free protector can be machine washed and dried on low heat; easy to follow care instructions help you make this protector last for years Twin size protector measures 39" x 75"; Backed by a generous 10-year U.S. warranty