I bought this for my 3 year old who was just large enough to start using it. It's so much easier to use than a regular carseat. Everyone who has used it, grandparents, etc., has commented on how nice and easy is to use. My toddler liked it immediately and I've had no complaints from her about it. The only issue I've had, which would probably happen with any seatbelt-fastened carseat, is that when placed in the middle position in our [$], it tends to slide on the leather seats, so I had to move it to a side position. The middle seat is narrow and slightly raised, so any shifting can cause the seat to tilt. I'm thinking of buying another as a gift because I'm sure anyone would appreciate the design and features of this product.
I chose this seat for my son b/c of the excellent NHSA 5 star rating in securing the child. It isn't my style in terms of appearance, but I loved the safety and features so went for it and am so glad I did. It's one of the few boosters that fits the 3rd row of our Town and Country appropriately. The lap belt fits low on the hips/thigh like it should and the side wings are great for those lazy days when he wants to rest his head. The only reason I took a star away from "easy to use" is because the guide for the lap belt can be a little difficult for the child to get used to, as it is low and quite flat...hence it sitting where it should on the child. Wonderful booster, with not nearly enough reviews!