"The Bell Sports Raskullz Cuteosaurus Bike Helmet for Babies protects your little dino rider. A dial system ensures a proper fit, and the flat back enhances comfort. A speckled foam interior pairs with cute dinosaur graphics for a look your youngster will love. Built-in vents keep them cool. This Bell bike helmet is recommended for ages 13 and fits heads between 18.9""20.5"". Complies with the US CPSC safety standard for bicycle helmets for persons age 1 and older.Manufacturer model #: 7160703. Dial system for a perfect fit Fun, kid-pleasing dinosaur graphics Speckled foam interior Built-in cooling vents"