●100% Cotton ●Drawstring closure ●Hand Wash Only ●SUN PROTECTION: Made with the highest rated, UPF 50+ sun protective fabric material that blocks up to 95% of UVA and UVB Rays! Wide brim kids sun hat offers added sun protective coverage for babies, infants, and toddlers. ●ADJUSTABLE: Outer hat drawstring offers a customized fit and adjusts as your baby grows. Chin-strap feature helps ensure that the baby sun hat remains secured on when windy. Both the head strap and the chin strap are adjustable to easily create the best. ●EASY CARRYING: Light weight and easy to fold to fit into a pocket. Easy storage, but travel friendly. For everyday use, strolling on the beach, fishing, hiking and so on. ●SIZES: Hat circumference sizes from S to L (from 19.3"to 21"); Please check the picture for sizing details. The age is only for reference, you can choose sizing according to your babys head girth.