ROCKBROS Kids Full Face Bike Helmet Ages 5-14 Anti-Collision Detachable ChinAs a helmet that protects children's safety, the most important thing is the protection performance. This ROCKBROS kids bike helmet uses a one piece PC impact resistant shell, as well as high density EPS shock absorbing cushioning, to maximize your child's safety. At the same time, the comfort of the helmet is also crucial for children, who do not like to be restrained. This toddler bike helmet can switch between full face helmet and half helmet mode