Travel System includes B-SAFE 35 Infant Car Seat, B-SAFE 35 Base and B-AGILE StrollerB-Safe 35: SafeCell Impact Protection is an integrated system of safety components, including an Impact Absorbing Base, Impact Stabilizing Steel Frame, and Complete Side Impact Protection; SafeCell means your child is surrounded in best-in-class safetyB-Agile 3: One-Hand, Quick-Fold stroller closes the stroller in secondsB-Safe 35: SafeCenter LATCH Installation provides simple, convenient car seat installation through the use of easy-pull straps that cinch down quickly and then self-retract to store safely out of the wayB-Agile 3: Lightweight Aluminum Frame (165 lbs total weight) makes the B-AGILE easy to maneuver and carry