Reliable and SafeThe children's helmet adopts advanced technology, which closely combines the sturdy PC shell with the impact-resistant EPS, making the helmet safer and more durable. Reliable CE+CPSC dual certification 360 PROTECTIONThe full coverage structure of this kids bicycle helmet provides all-round protection for the child's head, including the back of the head. Suitable for many types of sports Cool VisorRemovable visor protects children's eyes from direct sunlight and protects their facial skin from being scratched by tree branches without blocking the view Excellent FitThis kids bike helmet has two adjustable positions. Kids can easily snap on/on and adjust themselves to find the most comfortable fit Excellent Ventilation15 vents create the perfect air circulation system for this bike helmet for girls and boys, help reduce air resistance during multi-sport activities, and keep your head cool and comfortable at all times