Durable & Waterproof Silicone: Swimming cap is made from high quality silicone materials, very strong and quite durable, could last a fairly long time. Silicone caps are much watertight and stable in the water, creating a good seal to prevent water s Extra Protection for Ears: This popular swim hat is designed with ear pockets, giving a fixed fit over your ears and a good seal to prevent most water getting into the ear, adding to the warmth and blocking out noise. Comfortable Design & Good Stretch: The cap won't tug or rip at your head and hair, very comfortable. Its great elasticity could accommodate long and thick hair, gives a more generous fit, keeps it remain firm and adjusts well on your head without sli Suitable for Various Water Activities: Our swim cap is ideal for regular swimmers whether you swim competitively or for fitness swimming. It is also perfectly suitable for many other water sports, as well as bathing. Protect your hair from getting we Note: Since swimming caps do not give a watertight seal, or if the swimming cap is too big for you, water may still get under the cap. If you want it totally waterproof, we suggest you try to wear two caps together with a silicone one on top, will ha