100% PolyesterImportedToddler Sun Hat: Made of 100% Polyester, is Breathable and light weight. Kids love to play in the sun, we delicate to design excellent sun hat to help parents keep them safe and happy;Perfect Sun Protection: UPF 50+ Kids Sun Hat with Extra Back Coverage Blocks most of UV Rays; Providing a better protection for your little one's face, ear and neck and maximum outdoor fun;Two Sizes Wide Brim Sun Hat: The 2-5T is suitable for head circumference 18.9-21.3 inch and the 5-10T is suitable for head circumference 20.5-22 inch; Elastic string with toggle at the back is easy to adjust the size, the ponytail hole at the back is made for girls to pack up hair;Fast drying: Just enjoy playing around water such as at the beach and when it is drizzle without fear of cold, as the kids sun hat will be dry very quickly if it gets wet; The mesh side vents designs for superior airflow;Packable and Foldable: Sun Hat Can Be Folded in Various Styles While It Can Reshape Very Soon; Therefore, the sun hat can be easily carried inside your bag or pocket, saving lots of space when going out for any activities.