●All-day sun protection:Outer is made of 100% Polyester and 100% cotton moisture wicking Liner,breathable and soft without irritating baby skin. ●UPF 50+ sun protection:Our hats offer the highest sun protection available,blocking 99% of harmful UV rays. ●Baby Caring Design:Wide brim protect babys head,neck face from UVA/UVB Rays.High quality maintains its shape after the wash. ●Adjustable:Headsize is adjustable which perfect for a growing baby.There are 3 size for 0-6 Months,6-24 Months and 2-5 Years.In addition,The chin strap keeps the hat stay on head. ●Occasions:Solid color and Cute floral pattern are available,easy to match with baby clothes.Great for the beach trip,pool and any outdoor activity.