Swim cap, Hicool 2 PCS Premium Waterproof Earmuffs Silicone Swim Caps for Men and Women to Keep Hair Dry With Beautiful Design Highly Elastic & Durability for Short,Medium and Long Hair (Black&Blue) This Hicool swim cap is made with 100% food grade flexible silicone so its made thicker To better protect your hair and ears from chlorine and sun exposure as its Resistant to cold heat proof quality. Unique Desigh of ear pouches with comfortable wearing prevent overpressure and keep water away from your ears. Hydro dynamic,wrinkle-free design : With reduction of drag, you can swim faster. Without wrinkle, you will be more fashionable. High Quality and Durable. It's perfect for different water sports at the beach or swimming pool, and even indoor hydrotherapy. One Size Fits Most. The premium swim cap is mainly made to fit adults so there's no problem in finding the right fit for you!