Disney Frozen Toddler Bike 3D Tiara Helmet (3-5 years) by Bell

Recommended for ages 3+, but will fit most heads measuring 48-52 cm. Always take a head measurement. Head sizes and shapes can vary, even within an age range. Using a helmet that doesn't fit can be dangerous. Dazzling tiara will have any rider shine like a snow princess True fit self-adjusts for a proper fit every time High-impact reflectors for visibility 4 vents keep heads extra cool and pinch guard ensures pinch-free buckling Complies with the U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age 1 and Older (Extended Head Coverage).