The Krash Skull Maze Blue LED Helmet looks just like a blue helmet from afar but when you look closely the graphic comes to life with fine lines and a hidden skull graphic. Features: Light-up LED fin hawk Two light modes: steady and flash Auto-shut off feature to help preserve battery Adjustable straps help ensure a proper fit Recommended for kids 8-14 years old: Always take a head measurement Fits most youth with heads measuring 54-58cm (21.3-22.8 inches) Complies with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older & ASTM 1942