HomeCrate Natural Sleep Defence - Set of 2 - Luxurious Waterproof/Bed Bug Proof Pillow Cover, Standard Size 21" 27" PROTECTIVE BEDDING; Prevent saliva, sweat, and other body fluids from damaging your pillow, Never wash your pillow again! Professional quality waterproof, bed bug Proof pillow cover encasements. LUXIROUS PILLOW ENCASEMENT; Constructed from super Luxurious, professional quality Waterproof fabric that ensures maxium comfort while protecting pillows from leaks and spills. EASIEST PILLOW COVER; Velcro locking security zipper flap. Extra-soft Polyester knit fabric is cool and comfortable, Breathable waterproof membrane won't trap heat while you sleep. ALLERGEN PROTECTION; Help ease Asthma and other Respiratory conditions by blocking bed bugs, dust mites, allergens as you sleep. WARRANTY; 10 Year Limited Manufacturers Warranty.