The study group included five deaths; none of those children were in booster seats.
Usually a child will need a booster seat between the ages of four or six.
And she had to sit on a booster seat to see out of the windshield.
Once, a man left his toddler in a booster seat with the car locked.
The child strapped into the booster seat was too large for it.
After the requirement is met, they can move into a booster seat.
Some booster seats can be used for children up to 60 inches and 100 pounds.
Many countries have laws that require the use of booster seats.
However booster seats are used to keep children safe, not because of a law.
"What we'll see over the next year is booster seats for kids 65 to 80 pounds."
