High quality material: 100% polyester,silky and soft, fit tightly to hair and skin,protect your hair and skin well from split ends and dryness,so you can have a good night. Skin Care: The mulberry silk pillowcase gives you a silky touch,even if your skin is sensitive,it won't make you feel uncomfortable,keeping your skin hydrated all night long. Closure Design: This pillowcase has an envelope closure design,which is easy to put on and take off,get rid of the foreign body feeling of the zipper,and bring you a good and comfortable night. Cool Summer: The cool and silky satin pillowcase will give you a little coolness even on hot summer days,allowing you to sleep peacefully on hot nights. Easy to clean: Turn the satin pillowcase inside out,place inside a mesh laundry bag, machine wash cold,free your hands.