Britax Roundabout G4.1 Convertible Car Seat – Link

This is currently marked down on amazon to its lowest ever at only $116.99 w/ free shipping!

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• SafeCell Impact Protection is an integrated system of safety components, including an Impact Absorbing Base, Tether and Harness, an Impact Stabilizing Steel Frame, and Complete Side Impact Protection.
• SafeCell Complete Side Impact Protection surrounds your child in a deep protective shell designed to absorb crash forces and shield your child from debris.
• Tangle-Free, 5-Point Harness prevents the straps from twisting making it easier to load your child into the seat and ensuring a safer ride.