【High Grade Imitation Silk Material】Our silk hair cap is made of silk surface imitation real silk fabric, silky and light, soft and delicate, comfortable to wear, smooth, light and breathable, great for your hair and skin 【Universal Size】The sleep cap looks small in its natural state, with a natural size of 20*29cm/7.8*11.3inch, but it is very elastic and fits head circumference 52-58cm/20.47-22.83inch 【Adjustable Nightcap】This silk hair wrap adopts an elastic band adjustment buckle design, allowing mulberry silk bonnet to adapt to most head sizes. The hat can fit the head tightly without feeling compressed, improving sleep comfort 【Hair Protection】 This hair bonnet is designed to prevent friction between your hair and external surfaces, maintaining your hair's health. Suitable for all hair types, including curly, natural, long, short, and braided hair, it helps keep your hair damage-free and shiny 【Versatile Use】 This multifunctional silk tie bonnet is ideal for a variety of daily activities and leisure occasions. Use it for sleeping, housework, makeup, fitness, running, yoga, facial masks, and essential oil treatments to prevent hair loss