My son just turned 4 and I had been postponing buying a "booster" style carseat as he still fit in his forward facing carseat, however, I saw this one at WalMart and he definately meets the size reqirements and the price was so reasonable, I couldn't refuse.  After getting it, I wish I would have gotten it earlier.  The booster seat is much easier to get him buckled in and he can easily reach the seat belt to fasten and unfasten the seatbelt by himself (where he was unable to reach it with the larger car seat.  It is so much easier to get him in and out of the car, it takes up so much less space,...