Connectyle new arrivals kids mesh sun hat is made of Polyester material. Pure, comfortable,and breathing! Sweat band inside and adjustable chin straps.size: 50cm-54cm/19.7"-21.3", fits most children ages 3-7. Adjustable drawcord and toggle at back.6.5cm Wide Brim Protective hat for use in Spring Summer Autumn<br><br>Featured Inelastic, please match with the actual size with 0.6" larger before purchasing.