Kids are growing up so fast! it’s already time for a high back booster seat! with the maxi-cosi morion i-size you buy a practical, easy to use car seat that offers the highest i-size safety standards and grows along with your child in height from 100 up to 150 cm. our maxi-cosi morion i-size car seat meets the highest and latest i-size safety standards, offering maximum safety for your child and especially focusing on reinforced side protection. this practical group 2-3 car seat does not compromise on safety, even when your child grows, all the way up to secondary school! just easily adjust the headrest & back-rest from the top of the car-seat. morion i-size gives you a little help to find the correct position of the headrest and the backrest. a scale is carved into both sides of the backrest to indicate the right position based on your child's height. next to that, the use of isofix offers great stability even when your child is not sitting in their car seat. installing your child correctly is easily done with the belt guide system of the morion i-size. quick and easy buckle up so you are ready to go in a few seconds! taking multiple little ones on an adventure? no problem with the maxi-cosi morion i-size, which fits next to 2 other i-size car seats on most cars back seat!.