PATENT PENDING, Drawstring adjustable satin lined hat! The band has a drawstring so you can adjust to fit to your comfort level. Hats are made with a lightweight satin lining. The satin provides protection from the harsh fibers of your pillowcase,the friction that causes tangles while you are sleeping and the outside elements that damage hair on a daily basis. It is great for all types of hair, especially natural hair & naturally curly hair. It can also extend the life of your hair-do, because it protects your hair while you sleep, so your hair will look just as good when you get up, with only a touch up required. Why buy from us? Our company is focused on producing high quality products that are also stylish and fun and will make a difference in your daily life. We also have a social mission of working with a manufacturer who employs those most marginalized by society. Purnaa has a work environment that is free of discrimination, where people are treated fairly and equally regardless of gender, race, religion or caste. They are committed to fostering and maintaining a safe and dignified workplace; creating an atmosphere where employees have a voice and working toward the continued growth of each person.