SIZE INFORMATION Four sizes Size XS is recommended for 06 months head circumference 18146cm Size S is recommended for 612 months head circumference 18948cm Size M is recommended for 1224 months head circumference 19750cm Size L is recommended for 24T head circumference 20552cm UV SUN PROTECTION This baby sun hat is made of 100 cotton without harmful chemicals And the lining is soft breathable and skinfriendly too Especially suitable for infants Besides the floppy wide brim design can block out most of UVA and UVB rays and provide better protection for baby in summer The baby summer hat can always keep baby cool and comfortable in the hot sun ADJUSTABLE DESIGN Both the chin strap and the head strap of the toddler sun hat can be easily adjusted to be better fixed on babys head and ensure the baby hat wont fall off when its windy This design also allows baby to enjoy playing more In addition the chin straps of the toddler sun hats are tie designs more skinfriendly and ecofriendly CLASSIC STRIPE DESIGN Classic solid color with stripes what a simple and fashionable design Your lovely baby will draw more attention with it And your baby will love this cute hat too In addition these UPF 50 baby sun hats are lightweight soft and easy to fold perfect for outings SUITABLE OCCASIONS A nice baby summer gift Different styles are available to suit babys different preferences This unisex baby beach hat can provide all day protection for your active baby perfect for playing on the beach or yard picnicking at the park fishing by the river strolling down the pier and so on