IMLECK UPF 50+ Unisex Baby Cartoon Printing Small Dinosaur Cotton/Flower/Robot/Car Fisherman Hat Wide Brim Sun Hat 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); XL:20.5 Inch(52 cm) (fit about 5-6 Years) The hat is beautiful, amazing quality,very durable, so washing and packing/portability are easy.