Adjustable Clasp: The elastic band of this sleeping bonnets is located at the back of the head, reducing the chances of the bonnets slipping off during sleep and reducing any lines or marks on the face. The adjustable elastic clasp is simple yet intelligent, suitable for head circumferences of 53-62cm Protect Your Hair: Silk satin material, soft and comfortable, provides you with a top-notch sleeping experience. Breathable design allows your hair to breathe during sleep, avoiding scalp overheating and greasy hair. Effectively reduces friction between hair and pillow during sleep, minimizing hair curling and tangling issues. Helps maintain hair hydration, preventing dryness and breakage. Suitable for curly hair, natural hair, straight hair, braids, and other types of hair Usage Scenarios: Sleeping: Hinders your hair from being flattened by your partner and reduces facial marks caused by wearing certain facial devices. It can also be worn during picnics, face washing, doing household chores, and on windy days to hinders hair from getting on your face. During baby-carrying, it can effectively hinder the child from grabbing your hair Other Advantages: Beautiful design, with a royal luxurious style, wearing this bonnet will make you feel confident and beautiful like a queen from ancient times. The double-layered bonnet enhances hair protection. It is colorfast and will not stain pillows or bed sheets. Suitable for women of most age groups. Suitable for wearing throughout the year Washing : We recommend hand washing or machine washing with a neutral detergent in cold water and low/gentle cycle (<30°C/80°F)before wearing. Do not bleach. Please lay flat or hang to dry, and avoid direct sunlight Adjustable Silk Satin Hair Bonnet For Sleeping