Dianoo Extra Large Fashion Comfortable Swim Caps for All Kinds of Style Hair - Silicone Swimming Protective Hair Cap Ear Wrap Waterproof Hat for Women 100% high quality organic silicone, durable and comfortable, can perfect to protect your hair and you ears, and you will have a wonderful swimming experience. These swim cap is one size and fits most adult women. Great to protect color treated hair from damaging sun rays and chlorine. Fashion and beautiful design makes the swim cap look nobler and more popular, and the unique textile printing design can make you unique. Scientific design more fit the body of human. It can reduce the water resistance and improve the swimming speed. As we all knows, almost all the international swimmers are wearing 100% silicone swimming cap.