●UPF 50+ Fabric: Made with premium polyester fabric,breathable,durable,skin friendly.UPF 50+ sun protection blocks 98% of all UVA and UVB Rays ●Sun Protection: 6.6cm/2.6" foldable floppy wide brim will help shield your kids skin and offers extra protection ●Hat Circumference: 50cm-54cm/19.7"-21.3", one size fits most children ages 2-6 ●Adjustable: Non-scratch hook and loop fastener chin strap holds hat in place and an elastic drawcord with toggle at back for adjustability ●Breathable: The mesh side vents for superior airflow and internal moisture wicking sweatband keep kids cool and comfortable. Packable for easy on the go