The Britax Parkway SGL Belt-Positioning Booster Seat offers premium safety, comfort and convenience for your big kid. This booster seat incorporates Britax's leading safety innovations, including one of Britax's Head Safety technologies, a base engineered with SafeCells. The Base with SafeCell Technology is designed to keep your child safe and secure in a crash by compressing and significantly lowering the center of gravity, reducing the forward movement of the car seat. The Parkway SG also features SecureGuard anti-submarining technology and industry leading True Side Impact Protection with deep, high side walls lined with energy-absorbing EPS foam to protect your child. Comfort and convenience features include a quick-adjust head restraint, retractable cupholders, comfort foam and an easy-remove cover.