COPOZZ Swim Cap, Lightweight Comfortable Silicone Swimming Cap with Ear Protection, 3D Ergonomic Design Waterproof Swim Caps-Long Hair Compatible ERGONOMIC DESIGN: Swim caps made of advanced quality silicone with upgraded fashion design. Smooth surface swimming caps based on the American head shape which fits comfortable. Seal you head better with non-slip. Streamlined lightweight with less water resistance and hydrodynamic drag. SAFETY SILICONE: Premium silicone swim caps for ultimate stretch and durability, non-toxic no odd smell, no deformation, quick dry and wrinkle-free. Designed for pool swimming, competition, training and also outdoor water sports. Silicone material keeps your head warm during winter swimming. WATERPROOF AND ELASTIC: Swimming caps with superb elasticity, it can be stretched to fit snugly. If your hair start to get wet and you feel it's big for you. You canRoll up the swimming cap edge a little bit upto adjust it. Please keep the cap above your eyebrows in the front. A MUST HAVE IN A POOL: Swimming caps keep water away from your hair and ears. Protect them from chlorine, sand and bacteria in the pool water. Keeping your hair out of the way and reduce resistance. Give you a happy and enjoyable swim experience. PLEASE NOTICE: Swim caps are designed to keep your hair in the cap, optimize your performance and minimize exposure to chlorine in the pool. Please refer to the instructions on how to put on the swim cap properly. This lightweight and durable swim cap makes a perfect gift for swim enthusiasts.