Set of two 100% waterproof zippered pillow encasement - Queen size (20” x 30”) Saliva, sweat and other body fluids can damage your pillow Extra-soft polyester knit fabric is cool and comfortable; breathable waterproof membrane won't retain heat Can help improve sleep by reducing common substances that can reach the sleeper and disrupt respiratory function Machine washable - Tumble dry low - 5-Year Limited Manufacturer’s Warranty