Melon Robin & Leo bicycle helmet This mellon bicycle helmet offers an exclusive safety technology for the little ones. The X-FIX strap system provides extra comfort and safety. The helmet has 360 degree visibility through reflective bands and dome stickers, it is even extra visible through the built-in rear light. The divider lock helps to adjust the helmet well so that the helmet fits perfectly on the head. It is a magnetic buckle with skin pinch protection and it is easy to operate. Cooling ventilation is provided by means of twelve ventilation holes. Specifications: Color: blue, brown, green Gender: junior Material: polycarbonate Fit system: X-FIX system ventilation: 12 ventilation holes Head circumference: 44 - 50 cm Size: XXS Batteries: rechargeable built-in battery Age: 1 - 3 years