Recommended for ages 5-8: Fits head sizes 52-56 cm True Fit, 1-Step Adjustment Pinch-Guard helps ensure pinch-free buckling Side-squeeze buckle adjusts easily with 9 vents Complies with the US CPSC safety standard for bicycle helmet for persons age 5 and older This helmet features the stylish LOL dolls, and a visor to help shield eyes from the sun. The True Fit system adjusts with just 1 step, so you can just buckle and go! Recommended for ages 5-8, fits head sizes 52-56 cm