Spokey Strapy 2 Children's Bicycle Helmet 49-56 cm Blue 927780 Product features: A protective helmet for children is especially important when riding a bike, roller skates or scooter. The lightweight construction with a strong outer shell absorbs energy upon impact and effectively protects the child's head during a fall. Ventilation holes filled with mesh. Head Lock adjustment system. Chin strap with buckle. Technical data: certificate: CE, EN 1078 number of holes: 6 + mesh material: PVC, EPS weight: 200+/-10 g head circumference: 49-56 cm