It came into effect in July 2013 and provides extra protection in several ways, most notably by providing rearward facing travel for children up to 15 months instead of 9 to 12 months, which the previous EU regulation advised. Read more about I-Size.

What is Isize regulation?

'i-size' is a new EU safety regulation for child car seats (ECE R129). It was introduced in July 2013 to make child car seats easier to fit, provide better protection from side impacts and keep children rearward-facing for longer. i-size only applies to Isofix seats.

Is I-size the law?

i-Size rules make it mandatory for babies to stay rearward facing in a baby car seat until they are 15 months old. This is to stop parents turning their baby forwards-facing too soon, so putting their baby at risk of serious injury or even death in a crash.