Bye-Bye bed-head, tangled dry hair, dry skin, crease lines and much more! Each Pillow Sleeve is made from the finest mulberry silk or satin charmeuse to protect your skin and hair from the harsh elements of cotton and germs. Our open-ended design easily slides over any size pillow and pillowcase- Standard, Queen or King. It's perfect for hotel, travel and at home. It has a silk or satin front that helps promote up to 30% more airflow which helps you boost your beauty sleep! It has a jersey back so it does not slide off at night as most silk or satin pillowcases do, AND IT'S ANTI-AGING!