These Satin Pillowcases will elevate your beauty sleep! They leave skin hydrated experience the next generation of a revolutionary fabric, highly advanced satin fabric. While other materials may tug at your hair follicles and strip your skin of natural, important oils, satin isn't as drying as cotton. The envelope closure end design prevents your pillows from popping out. No zipper, this pillowcase has an easy on and off design to bring you a unique and pleasant experience that will give you crisp, even-textured.