Guard SC-61 Premium Silicone Swim Cap for Adult / Man / woman,Highly Stretchy & Durable & Waterproof,Lightweight Comfortable Fit,Gray 1.Made from premium silicone - eco-friendly, odorless & non-toxic,provide durable, lightweight, and high stretchy swimming caps to you. 17.Keep your hair dry when swimming,protects your ears and hair from bacteria, chloride and other substances in the water. 3.Put on swim cap is a basic Courtesy when swimming,especially women with long hair. 4.Allows you to swim fast due to the premium silicone that reduces drag.Great for both adults and youths. Easy put on and take off. 5.The swim cap will long-lasting for years when cared for properly. Extra strong silicone stretches twice its size,and lightweight durable ear guard Unisex Adult.