how old for car seats
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 her appropriately, typically between the ages of 8 and 12 years.oosters 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 her appropriately, typically between the ages of 8 and 12 years.