2014 Child Booster Seat Ratings Released
It said a record number of models had received the highest possible rating.
Boosters were rated as best buy, good bet, check fit or not recommended.
IIHS said the ratings had been measured by how three-point lap and shoulder belts fit a child-size test dummy seated in the booster.
The evaluations focused on belt fit and did not involve crash tests.
Click here to see the rankings by brand.
You can also check IIHS’s rankings of older booster seat models here.