Overall score is a combination of crash protection, belt fit, ease-of-use and fit-to-vehicle scores in both harnessed and booster modes. The displayed score is out of a total of 100 points.

Booster seats are generally for children weighing 40 to 120 lbs. Boosters should be used until a child is at least 57 inches tall, the minimum height at which a car's seat belts will fit him or ...