100% Mulberry Silk : The silk bonnet for sleeping is made of modal exterior and lining 100% pure mulberry silk. Modal is wrinkle-resistant, with soft tentacles, easy to clean, and can be folded at will. The silk-lined sleep cap is smooth and soft enough to protect the hair. The hidden adjustable strap allows you to tighten or relax according to your own preferences. | Protect hair health: Due to the natural protein structure, silk has high absorbency and can absorb dust and grease on the scalp surface, help you wash your hair less. Recommend this for anyone with long or short, straight and curly hair, it really cuts out any frizz from friction, protect damaged hair tips. | Silk sleep night cap: It's so soft that you can barely feel you're wearing it. At night to protect hair from tangling. It doesn't slip off at night or squeeze your head. With this bonnet to wrap your styled hair up at night to ensure it’s ready to go for work the next day. | Suitable for daily wear: Silk is a kind of all-weather fabric with natural temperature regulation characteristics. Silk cap can sleep in cold winter and prevent hair sunburn in hot summer, silk material keeps the scalp constant temperature and promotes hair growth. Suitable for in kitchen, make up, do housework, walking etc. | Care instruction: Hand wash in cold water (<30 ℃/ 80℉) with silk/mild detergent. Do not use strong alkali or disinfectant. Line dry in the shade. Iron on the reverse side with a cool iron.