MALOUF SLEEP TITE FIVE-5IDED Hypoallergenic Mattress Protector With OMNIPHASE and TENCEL - 100% Waterproof - Regulates Temperature - 15-Year Warranty (Standard Pillow Protector Set (2)) Most advanced pillow protector on the market - combines moisture-wicking Tencel fabric, temperature regulating Omniphase material, and the breathable SLEEP TITE H2PRO Membrane Full zippered enclosure protects your pillow from liquids, allergy-causing dust mites, and bacteria 100% Waterproof - repels all liquids including bodily fluids, perspiration, urine and accidental spills; 15-year warranty Generously sized to accommodate any pillow loft Includes two standard size 20 inch by 28 inch zippered pillow protectors