material made this product durable and use. It can protect your hairdo, keep your hair neat when you sleep and this material is no stimulation to your skin and control hair oil. This sleeping with an elastic headband suitable for most people. Features - Colour: As Shown. - Material: Satin. - Size: About 18x16x1cm. - This is made from satin material for durable and use. - Easy to wear, just it on and off you go. Built in stretch elastic stretches to fit most head sizes. - Helps to protect your hair from being stripped by your pillow of natural oils needed for healthy hair to grow. - Naturally stretchy to fit comfortably and snugly on the head. - Our hair hat can prevent hair from being while sleeping, or keep you hair from knotting and twisting, very suitable for you to wear at home and spend your leisure time, it can keep your hair in place well - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3 x sleep hat