easily transitioning from high back to no back booster for kids at least 4 years of age, weighing 40 to 120 lb JUST GET UP AND GROW: Allows you to keep your growing child in the booster longer ...
If you're on the hunt for a safe car seat that will support them until they're tall enough to be without one, then CYBEX's latest high back booster car seat could be just what you're looking for.