Silk Hair Bonnet for SleepingSilk Nightcap SILK FABRIC: 100 pure mulberry silk 22mm 6A grade silk, smooth, soft and comfortable. Breathable and lightweight, it can reduces friction between your hair and the pillow, keeping moisture in your hair from tangling, protects your hair from damage and dust. PROTECT FOR YOUR HAIR: Whether you have long or short hair, straight or curly hair, the silk sleep cap will protect your hair. You can use it while sleeping, doing housework or