Fairy Black Mother hair cap will protect your hair. This hair cap is perfect for sleeping, exercise, work, or just for lounging. There is no elastic band to create friction on your edges that can lead to thinness. Instead our no elastic band hair cap can be included as a part of your hair care regimen if you are trying to re grow your hair. It is important to get oxygen to the scalp to maintain its health. This durable hair cap is breathable which means more oxygen to the hair and scalp. An added plus, it will help to keep moisture in your hair and keep it frizz free. It will help to keep head cool at night and is very comfortable. We take our clients and customers seriously. Therefore we produce all our hats out of love and we value who our customers are. Tidbit advice. An easy way to put on if hair is long is to bunch hair on top of head then slide on. Fits big hair. Fabric 95% Polyester 5% Spandex. For the black we have upgraded to a better fabric that doesn’t bleed. It has been tested and also an excellent choice for sensitive skin. Stretchable to fit all types of styles. Enjoy!