Banwood children's bike helmet is a classic design! These helmets provide your children with the maximum protection and safety needed when joining you on the ride.Designed with a light and durable ABS material and a protective inner foam lining providing the best kids bike helmet protection. Equipped with air vents in the front and back to keep the head cool. With dial fit system, you can easily adjust the size of the helmet for a precise and secure fit and let the helmet grow with your child. Designed as an all-round helmet, it can safely be used for biking, skateboarding, or scooter riding Features: Durable ABS shell White finish Inside material: Velvet and sponge Protective inner foam lining Dial fit adjustment system for comfort fit Adjustable chin strap Front, top, and back ventilation Banwood logo on the front Weight: 285-295 grams Meets or exceeds Australian Standards Available in 2 sizes: Toddler (XS) - head circumferences between 48-52cm, age 18 months to 4 years Kid (S) - head circumferences between 52-54cm, age approximately 4-8 years