Moolecole Cute Cartoon Children Waterproof Silicone Swimming Cap Ear Cover Swim Cap Elastic Kids Swimming Hat Boys/Girls Material: Eco-Friendly silicone. Size: The length from the top to the bottom of the cap is 18cm/7.08inch and its width is 21cm/8.26inch, the head circumference is about 44cm/17.32inch. Quick and easy to take on and off without snagging or pulling long hair. Prevent overpressure and keep water away from your ears with our comfortable ergonomic ear pockets. Swim faster with less resistance and reduction of drag through our hydro dynamic, wrinkle-free design. Resistant to snagging and tearing.Designed to fit swimmers with long hair. Developed by swim instructors and health professionals.Ideal for woman girl ladies man boy summer holiday swimming fun.See more info in the description.