A. Material: The night sleeping cap is made of 100% silk, which is breathable and skin-friendly. It feels soft and comfortable to wear while sleeping. B. Adjustable size: The satin sleeping cap has an adjustable and elastic head size, providing a comfortable fit. The cap strap can be stretched to fit different head circumferences without making the head feel tight. C. Protect hair: It helps reduce the contact friction between hair and the pillow, retains hair moisture, makes hair less prone to breakage during sleep, keeps the hairstyle fresh, and helps prevent hair loss. D. Double-layer design: The double-sided hair cap comes in two colors. It is lightweight and skin-friendly, putting little burden on the head, and can be used comfortably for a long time. E. Three different colors: It includes burgundy, black, and khaki, with 2 pieces of each color. Customers can choose products according to their preferences to match their clothes.