1.Durable & WaterproofThe swimming cap is made of high-quality silicone material, which is very stable and durable, softer and easier to fit the head to reduce swimming resistance. The silicone cap has good water resistance and stability in water, and can form a good seal to prevent water infiltration and keep hair dry. (Attention: Please keep the cap away from sharp objects. Please use your finger pulp to open the cap if you have long nails.) 2.Efficient Ear ProtectionThe popular ear bag design can be fixed on your ears and has a good seal. It can prevent most of the water from entering your ears, helping to minimize ear pressure, preventing water from entering and protecting your ears from Invasion of bacteria and microorganisms in water. Friendly to allergic ears. 3.Comfortable DesignThe swimming cap is easy to put on and take off, and can fit tightly without pulling your hair, which is very comfortable. Its huge elasticity can hold long and thick hair, stay firm and adjust well on your head without slipping off. 4.Suitable for Various Water ActivitiesThe design of our swimming cap allows you to swim faster with less resistance. Whether you are competitive swimming or fitness swimming, our swimming caps are ideal for swimming enthusiasts. Protect your hair from the damaging effects of wetting and chlorine.