Thank you very much for viewing! Items may be opened for inspection! Thank you for your understanding and cooperation! お得な2枚セット販売あります☆ (We have a great deal on a set of 2!) Material Composition: 100% silk, with a pearl-like luster. Perfect for a nightcap, we use 19 momme silk for a light and soft finish, promoting beautiful hair and skin. After use, it significantly reduces friction between your hair and pillow, gently protecting your hair while you sleep. It prevents split ends and improves hair quality. Silk is light and soft, with moisturizing and antibacterial properties, providing a peaceful sleep. Amazon Brand: We guarantee to provide the highest quality natural silk products. And to provide you with all the guarantees. Cleaning: Hand washable. Use silk-specific detergent or a neutral detergent. Shape and dry in the shade.