The seat itself is comprised of a full steel frame and aluminum reinforced sides. (pregnancymagazine.com)
It is one of the car seats with a full steel frame, aluminum reinforced sides, energy absorbing EPS foam and a strong safe stop harness system, the safety of your child is assured. (thankyourbaby.com)
Its full steel frame and reinforced sides provide durable safety, while body - support cushions, memory foam, and an adjustable headrest keep your little one comfortable. (babycenter.com)