niagara sleep solution 4 pack waterproof pillow protectors standard 20x26 inches life time replacement smooth zipper premium encasement covers quiet cases set white 100% liquid protection niagara sleep solution <p>100% waterproof feather proof zippered protection - microscopic pores in the 100% waterproof polyurethane membrane provides protection from all other liquids to keep your pillow safe from saliva ,perspiration, liquids, stains, sweats and anything wet. zipper closure fully seals the pillow. .carefully stitched with an auto locking slider does not allow accidental opening of zipper. making it perfect pillow encasement that guards against any thing that can spoil your night.</p> <p>makes old pillows new, prolongs pillows life : 4 pack standard 20x26, queen 20x30 and king 20x36 inches pillowcase cover encasement are breathable smooth polyester which is easy to clean. the pillow protectors are perfectly machine washable. luxury pillow protectors with zipper have premium features of cotton pillow protectors.</p> <p>breathable with smooth fabric -our standard luxury pillow covers encasement are made in all sizes standard 20" x 26", jumbo / queen 20" x 30", king 20" x 36" with smooth fabric top. miracle membrane backing keeps body cool in summer and warm in winter .they come in pack of 2 and pack of 4 style.</p> <p>life time warranty: waterproof pillow covers are backed by life time replacement warranty against manufacturing defects. washable easy care: we manufactured our product with extreme care and welcome any suggestions but if you do not like the product you can do with hassle free return procedure.</p> <p>long life: our 4 pack of 4 standard queen king size pillowcase covers are encasement style pillow cases made from strong fabric can be used for many years.</p>