ThisBell Marvel Spider-man Bike Helmet lets any child feel like they are a superhero ready for action. They can get the look of a real Marvel character when they don this helmet. This children's bike helmet will allow them to remain safe while they also showcase one of their favorite characters. It is an amazing 3D product. TheBell Spider-man bike helmet has aerodynamic cooling vents added for additional comfort during use. This piece of sports equipment also comes with adjustable nylon straps for an improved fit and a shock-absorbing EPS inner shell for improved safety. TheBell Marvel Spiderman Bike Helmet is recommended for children ages 5 to 8 years old. It will fit heads that measure between 50 - 54 cm.