amazon的Graco Nautilus 3-in-1 Car Seat好吗？
The Graco Nautilus 3-in 1 Toddler Car Seat (Matrix) offers:
Forward-facing car seat can accommodate children up to 65 pounds.
Conversion to back booster and backless booster for accommodating children
up to 100 pounds.
Meets or exceeds US safety standards.
Integrated cup holder and side storage.
大概可以用到几岁啊？ http://www.amazon.com/dp/B0011URFRE/ref=nosim/?linkCode=as1&tag=d000001-20&m=ATVPDKIKX0DER
