Is the European standard for the safety of seats for children under 15 months of age, effective as of July 2013. The obligation was then introduced to transport children in the car in the rear-facing position up to the age of 15 months, instead of 9-12 months, as had been stipulated by the previous European Union regulation. This has significantly improved children’s safety in transit. The use of i-Size guarantees better protection of the child’s neck and head in the event of a collision.