About this item19 Momme 100% Mulberry SilkImportedNATURE SILK: Double side 19 momme thick 100% mulberry nature silk pillowcase. 600 threat count silk fabric is smooth, hypoallergenic and breathable. Silk fiber consisted of nature organic protein and fit for sensitive skin.GOOD FOR SKIN AND HAIR: Silk fiber consists of nature organic protein. It is smooth, soft and cool. Free from static electricity. Great for preventing facial wrinkles and knotted hair. High quality sleep can significantly delay aging and improve working efficiency the next day. Perfect for preventing facial wrinkles and knotted hair.QUALITY AND WORKMANSHIP: 19 momme is thick enough for daily use and popular for manufacturing mulberry silk pillowcase. Zigzag over lock stitching inside to prevent fray and increase service time. Hidden zipper at side allows you can use any sides of the pillow. No color fading. OEKO-TEX certified.COLOR AND SIZE: Peacock blue is a gorgeous and one of the most mysterious blue, representing the meaning of concealment. It is the color of the immeasurable divine realm which has a special force hide in the heart. Peacock blue bedding appears extremely high quality and delicate. King size nature silk pillowcase is 20×36 inches or 51x91cm.CARE INSTRUCTION: Hand wash with shower gel in lukewarm water. Wash separately with other items. Do not twist or wring as nature silk becomes more delicate when wet. Hang dry. Do not dry in direct sunlight. Do not bleach nor iron.