Recommended for ages 5-8; fits head sizes 52-56 cm True Fit, 1-Step Adjustment 3D Tiara with a big sparkly gem Pinch-Guard helps ensure pinch-free buckling CPSC 1203 Bike Compliant Tiara in the front, princesses in the back of this pink Princess Child Bike Helmet. Colorful graphics featuring Ariel, Belle, and Rapunzel are crowned with a shiny tiara that make this helmet stand out from the rest. The True Fit system allows for a 1-step adjustment, and 12 vents keep little heads cool. Comfy padding and chin strap, an easily adjustable fit system, and the royal 3D design treatment make this helmet one your child will be eager to wear