Name: Children Riding Helmet;  Material: Shell import PC+ internal import EPS, integrated formation of pest control net;  Taillight: Always on-Slow flash-Fast flash;  Technology: In-mold;  Color: Black/Blue/Green/Red;  Size: S-M (51-56cm);  Width: 16cm;  Weight: 180g;  Vents: 14;  Suitable for: Road mountain bikes (children's bicycles, scooters, roller skates, balance bikes, baby walkers);  Features:  -Weight, Sizes & Colors: 180 grams, One Size: S-M (51-56cm), 4 ranging colors.  -Construction: Outer Shell Construction: In-mold polycarbonate shell with EPS liner.  Inner Shell: Thermoformed reinforcement shock absorbing polystyrene.  -Fit System: SLS - Step Lock System.  -Ventilation: 14 Wind Tunnel vents with internal channeling.  - CAIRBULL light weight design. Clean Tex Pads are treated antibacterially and therefore prevent the rise of bacteria within the helmet. As a consequence, longevity and long-lasting hygienic freshness is achieved. Chinpad Optimal wearing comfort in the chin area.  -Safety: Complies with CE EN 1078 CPSC 1203 AS/NZS 2063 safety standards for helmet for cycling and use with skateboards and roller skates for persons age 5 and older. With mounted rear light.    Package Included:   1 x Children Riding Helmet