100% Polyester Satin softer than silk pillowcase 2 pack are gentle on your skin and hair, while helping reduce damage causing friction Premium quality pillow cases feel cool to touch, perfect summer bedding are wrinkle-free and ready to use without additional ironing or steaming Satin pillowcases softer than silk pillowcase for hair and skin are also OEKO-TEX certified for superior COMFORT and WELLNESS, as they are free from any substances or chemicals that may compromise quality Set include: 2 King Pillowcases: 20"W x 40"L Easy Care; Machine washable, to prevent pilling, wash in cold water and sun-dry or tumble dry in low