Wicking Pillow Cases - Feel Drier Wicking Pillow Cases (King) Mositure Wicking Pillow Case Set Contains 2 Pillow Cases Easy Care, Machine Wash - cold water. Tumble Dry - low heat. Dryer Sheets not recommended These soft and smooth pillowcases are made with the Nanotex Coolest Comfort technology which helps to balance your body temperature and enhance your sleeping comfort all while retaining the softness and breathability of the fabric. Sleep Cooler with Feel Drier. 100% Polyester w/ Nanotex Coolest Comfort treatment