Material:The pillowcases are made of high quality 100% polyester fabric for optimal softness and easy care used is as soft as a silk pillowcase., our pillow covers are durable for lasting comfort.Silky and smooth satin pillowcases protect your hair to keep tangle and frizz free , Material:The pillowcases are made of high quality 100% polyester fabric for optimal softness and easy care used is as soft as a silk pillowcase., our pillow covers are durable for lasting comfort.Silky and smooth satin pillowcases protect your hair to keep tangle and frizz free , Easy To Wash:turn the satin pillow case inside out, place inside a mesh laundry bag, and wash with a mild detergent The cooling satin pillowcase holds up great in cold delicate wash and better AIR DRY it hanging on a rack instead of tumble dry, , Easy To Wash:turn the satin pillow case inside out, place inside a mesh laundry bag, and wash with a mild detergent The cooling satin pillowcase holds up great in cold delicate wash and better AIR DRY it hanging on a rack instead of tumble dry, , Package Include :2 pack 50*75cm pillowcases(pillow are not included).