Strong and safe: Shock-absorbing rigid foam foamed into an impact-resistant outer shell, the In-Mold process creates a durable bond for a robust helmet Size adjustment: Adjustment wheel for a good fit By turning the adjustment wheel, the head-enclosing ring inside the helmet adjusts to the head circumference Product details: Children's bicycle helmet for the little ones, weight 220 g, colour blue with whale pattern (Blue Whale),Size S = head circumference 45 - 50 cm​,includes chin support For ponytails: Height-adjustable system at the back of the head can create enough space for a ponytail or braid, perfect for children with long hairColor: Blue (blue whale) Manufacturer: ABUS Model Number: 67261 Package Quantity: 1 Part Number: 67261 Size: S (45-50 cm) Style: Child-friendly with ponytail compatibilityABUS Smiley 3.0 Children's Helmet, Bicycle Helmet for Toddlers with Deep Fit, Child-Friendly Designs, Space for Pigtail, Unisex, Blue (blue whale)