R2 BUNNY - comfortable and safe child helmet with great designs . Equipped with insect mesh, stable and clamping plate , which is part of the shape of the helmet. Size description: XS: 48-50 cm Weight: XS: 220g Color: glossy blue, neon yellow Number of ventilation holes: 17 The durability of the helmet is guaranteed by proven safety according to the CE EN 1078 standard