A high-back booster seat uses the car's three-point seat belt but raises the child up so the belt fits safely and comfortably ...

In high-back mode, the TurboBooster LX has a weight range of 40 to 100 pounds (the same as the Chicco KidFit ClearTex Plus) and a height range of 43 to 57 inches (the Chicco seat’s height range ...

The best booster seats meet and exceed all federal safety standards, are easy to use and install, comfortable for kids to ride in, and fit your child and vehicle properly — but more on that later.

At just 17 inches wide, the new Britax Poplar S is one of the best convertible car seats for parents who need to fit three kids across—or just want the extra room in the back.