Kids Helmet Air Vents: 11 Weight: 235g Technology: In-mould/Out-Mould Kids HelmetModel NO: HB6-5Air Vents: 11Size: M(52- ... )cmWeight: 235gSizing System: head lock 2Pads: cool comfort padsTechnology: In-mould/Out-MouldOur international quality standards:CE EN1078,CE EN1080,GS,CPSC1203 ... . Delivery on time.Otherwise, we have a lot of experiences in ODM. We are ODM for CATLIKE, GIANT, MERIDA, TRU, ...