Material: Made of blended fabric, this children's sun hat is very soft to the touch, lightweight, durable and breathable. Ventilation holes on both sides add breathability and help keep baby's head cool. Size: cap circumference 48-52cm There is a strap that can be adjusted according to the child's head. Cute and sun protection: Cute animal design makes your child fun and cute, wide brim and neck baffle, enough to cover your child's eyes, face and neck, protecting the skin form the summer sun. Protection, effectively blocking harmful rays to children's delicate skin, ideal for outdoor activities on hot days. Removable chin strap: Our breathable mesh fishing cap has a removable chin strap that can be adjusted for tightness with a chin lanyard, which keeps the cap on your head on windy days, which prevents the cap from being blown away. Suitable for many occasions: Our summer bucket hat is lightweight and breathable, suitable for children to play at the beach, pool, garden, or go fishing, boating, hiking, camping and other outdoor travel activities.