Whats wonderful about children is every single one of them is unique and every child develops and grows differently the maxi cosi rodi xp2 fits all shapes and sizes and as your child grows you can adjust the height and width to fit them their safety is taken care of with side hips and the whole seat is lightweight making it trouble free to transfer from one car to another features optimal side crash protection for head lower back and hips backrest grows along with your child in both lengt