MALOUF Sleep TITE PR1ME Smooth Hypoallergenic Waterproof Pillow Protector with 15-Year Warranty - King - Set of 2 Includes TWO pillow protectors with zippered enclosure; universally accomodates all pillow depths 100% waterproof barrier repels all liquids including bodily fluids, perspiration, saliva and accidental spills Laboratory-certified H2PRO membrane allows air passage but repels liquids, ensuring a comfortable sleeping environment Hypoallergenic, breathable and smooth polyester surface is noiseless, will not change the feel of your pillow and naturally wicks away moisture Great for asthma, eczema and allergy sufferers - vinyl, PVC and phthalate free