Case has made it into his big boy car seat. He was totally over laying back in the baby carrier and mommy was totally over the VERY noisy car rides. We knew we would have to move him to this one at 21 pounds and we decided 18 was close enough. This one is a Britax Marathon convertible seat that holds babies 4 pounds (I can't even imagine what this would look like because this seat seems SO big) up to 60 or 65 pounds. He should be in this one for a while!
