IMLECK Baby Sun Hat Drawstring Adjust Head Size, Breathable 50+ UPF 100% Cotton Hand Wash Floppy hat with wide brim featuring UPF 50+ Hat circumference sizeS:18.1 Inch(46 cm) (fit about 6-12 Months); M:18.9 Inch(48 cm) (fit about 1-2 Years); L:19.7 Inch(50 cm) (fit about 3-4 Years) Adjustable in size with drawstring