Amazon.com : Britax Willow Brook Baby Travel System, Infant Car Seat Travel Systems Britax Amazon.com : Britax Willow Brook Baby Travel System, Infant Car Seat Amazon.com : Britax Willow Brook Baby Travel System, Infant Car Seat Amazon.com : Britax Willow Brook Baby Travel System, Infant Car Seat Auction Detail. INFANT CAR SEAT AND STROLLER COMBO: The Britax Willow Brook Baby Travel System includes the Willow car seat, Aspen base, and Brook baby stroller INSTALL CONFIDENTLY: The Willow is the only rear facing car seat for 4 to 30 lbs with ClickTight technology so you know it can be installed securely on the first ride and beyond FIND THE PERFECT FIT: The RightSize system provides adjustment points at the hips, shoulders and between the legs to help you find your baby's perfect fit from the start FOUR WAYS TO STROLL: The Brook stroller is suitable for children up to 50 lbs and offers reversible infant and toddler seats that easily switch from parent facing to forward facing SIDE IMPACT TESTED: Helps protect your child's head, neck and torso and SafeCell Technology is designed to help manage energy and minimize force transferred to baby REBOUNDREDUCE CARRY HANDLE: Acts as a stability bar when used in the upright position and can be used when installed with or without the base MOVE SMOOTH, STROLL STEADY: This toddler stroller is lightweight, easy to carry and features all wheel suspension and tough, no flat tires