AqtivAqua Kids Swim Cap + Storage Tube || Boys Girls BETTER PROTECTION ~ Designed to reduce drag, keep hair in place during swimming and protect your childs hair and ears against the elements, such as sunrays, chlorine or salted water SUPERIOR COMFORT ~ Lightweight and soft stretchable hypoallergenic silicone that makes it simple to put on and off EXTRA VISIBILITY ~ Bright colors help kids be spotted more easily while they are playing in a crowded pool or ocean MORE FUN ~ Cute animal shaped design and vibrant colors that will make the kids want to wear it just for fun LESS WORRIES ~ 12 Month Warranty and Caring Customer Service. If for any reason you are not completely satisfied with the product, we will offer you a full refund, no questions asked. We strongly recommend to measure the head before ordering. Fits head size range 14 up to 21 (35cm up to 53cm). To measure correctly, place a string or tape around the kid's head just below the ear, across the top of the forehead, completely circling the head