A helmet does not have to be boring. choose this bright red helmet for your little one and he will be happy to ride his bike to the supermarket with you. the helmet is comfortable and safe. it has 11 ventilation openings and has a red light at the rear which can blink at 3 different speeds.features- more fun than a normal helmet- comfortable, lightweight and adjustable- fits almost all children- 11 ventilation openings- red rear light- lifetime (light): 10 hours (5 hours constant, 10 hours flashing)- 3 modes - runs on 2 ag3 cell batteries - safety tested to european standard, en1078- size: small 48 - 53 cmproduct information - product: mini hornit lids bike helmet for kids - the aviator (s)- material: abs & ebs plastic, cotton, polyester- dimensions: l 23 x w 22 x h 16 cm- weight: 343 grams- colour: red, black - packaging: header card- packaging dimensions: l 35 x w 25 x h 16 cm- packaging weight: 600 grams- brand: mini hornit lids