In-mold Polycarbonate (PC) outer helmet shell ensures maximum head coverage, and comes with impact-absorbing EPS foam liner, 7mm sealed foam pads and a chin pad, for excellent protection and comfort. Best toddler scooter helmets (XXS – XS; 45-51cm*) Easily adjust the helmet size with the rear knob. Safe toddler helmet has 6 rear battery-powered LED lights, which flash in 3 different modes (on / flash / fast flash) for maximum visibility and extra-safety. *Make sure you follow our instructions on how to fit a helmet on your child.