Cruise smooth with the B Lively & B Safe Ultra Travel System combining the Britax B Lively Lightweight Stroller, B Safe Ultra Infant Car Seat, and Britax car seat adapters in one convenient box. Featuring an all wheel suspension system for everyday easy strolling, the B Lively Stroller will not weigh you down thanks to its lightweight frame. Designed with multi tasking parents in mind, the 3 wheel configuration for smooth maneuverability and one hand quick fold make this Britax stroller easy to navigate and transport. The large UV 50+ canopy with breathable ventilation window provides protection for your child on sunny or rainy days, and has a large zipper pocket on the back, while the peek a boo window lets you check in on your little one without disrupting their nap. A near flat stroller infinite recline keeps them comfortable on the go. Before heading out, store your baby gear in the extra large stroller storage basket with convenient front access. The Britax B Safe Ultra Infant Car Seat is specially engineered with Britax’s top safety technologies. In addition to the two layers of side impact protection, the patented Safe Cell Impact Protection System includes a steel frame, energy absorbing base, V shaped tether to minimize seat rotation and staged release stitches that slow and reduce forward movement in the event of a crash. Easy installation using SafeCenter Latch and built in lock offs makes it simple to secure the infant car seat base. You can also install without the base as needed using the European Belt Guide. The B Safe Ultra car seat is FAA approved without the base. Using the included Adapter, you can securely attach the infant car seat to the stroller to make a brilliant travel system that is perfect for your lifestyle. The B Safe Ultra Infant Car Seat can be used 4 35 pounds, height 32” or less. The B Lively Stroller can be used from birth to 55 pounds. Maximum unfolded stroller dimensions 33″ L x 23″ W x 40″ H. Interior seat width 11”. Infant Car Seat dimensions 17.75” W x 25” H x 30.62” D, harness slot heights 5.5 to 11 inches.