Toddler Helmet Dual Certified Adjustable Kids Bike Helmet For 2-3-5-8-14+ Years For aged 2-14 kids youth: This Toddler Bike Helmet Complies with U.S. CPSC Safety Standard for Bicycle Helmets, Optimized ABS shell design and EPS for improved fit, flexibility and comfort. Skateboard helmet for boys girls: Retention dial fit system allows for a custom fit with the quick turn of a dial, and length-adjustable chin straps. Size S: 48-54cm(18.9-21.25inch); M: 55-58cm(21.5-22.75inch). Breathable kids bicycle helmet: 12 large Big Bore vents for increased airflow and lighter weight, the ventilation design use special helmet design and breathable foam, keep children feel cool even during intense body movement. Removable lining: The sticky cushiony padding of the kids bike helmet insert won't cause additional pressure to the head, the pads are removable for cleaning, please use mild soap and water for cleaning. Toddler skateboard helmet in multiple colors: Kids Bike helmet for bike, cycling, inline skating, skateboarding, scooter. And it's a perfect gift for Children's Day, Birthday or other festival.