😴 Sleep Like Royalty with Serta's Chill Protectors! Machine washable for hassle-free maintenance. Join the Serta legacy of sleep innovation for over 90 years. Zippered closures keep dust and dirt at bay, prolonging pillow life. Experience the ultimate chill with our cool-to-touch knit fabric. 3M technology ensures your pillows stay fresh and clean. 3M stain release tech Machine washable 90% cooling nylon The SertaPower Chill Cooling Pillow Protectors are designed to provide a luxurious and cool sleeping experience. Made from a blend of 90% cooling nylon and 10% spandex, these protectors feature a zippered closure for enhanced durability and protection against dust, dirt, stains, and odors. They are machine washable for easy care and come in a convenient 2-pack, fitting standard and queen pillows.