DESC: Evenflo Generations Harnessed Booster The Evenflo Generation Car Seat has a clever name, but it is definitely for the right reasons. This Evenflo booster car seat takes a child from on exciting adventures form 20 lbs up to 100 lbs. The Evenflo Generation has its own internal 5-point harness for children up to 40 lbs before using the automobile belts. It may not span an entire generation, but this booster car seat will carry the child through important firsts in their life.