The Cloud Z i-Size infant carrier is the successor to the award-winning Cloud Q and outshines it with its enhanced features. It now has an ECE R 129 approval and thus meets the latest safety standards, has become much lighter and can be turned on the Base Z i-Size. Swiveling on the Cybex Base Z i-Size:Using the Cloud Z i-Size on the Base Z i-Size makes it easy to turn the baby carrier on the base station for easy entry and exit. This makes it easier, especially if you do not want to take the baby seat off, but this should stay on the station. What is i-Size?i-Size or ECE R-129 is the new regulation for child seats which replaces the old ECE 44/04. It states that the classification of child seats into different groups is no longer based on kilograms, but on the child's height. In addition, the use in combination with Isofix becomes mandatory in the installation (phase 1 except for baby seats and 2), which not only facilitates the installation, but also ensures more safety.