The Sit N Stand Extremely baby stroller provides multiple riding opportunities, allowing children to sit or stand along the trip, or use an infant car seat in both the front and rear dealing with seats. The Sit N Stand Ultra baby stroller may agree to one or two baby car seats, (sold separately) all Infant Trend baby car seats, and choose models from other brands to create a baby travel system. Please recommend to our baby car seat compatibility chart for much more details: http://www.babytrend.com/faqs_carseatcompatibility.html.Folds compactly for simple storage and travel, large storage container, and has a foot activated brake. The unique rear facing seat allows your older baby, (up to 50 lbs.) to ride or these people may effortlessly forward face to remain on the sturdy stand on platform. The child tray easily may swing away allowing even older children quick access to the front seat, the parent holder has covered storage space with cupholders, with a 2nd child cupholder for your older standing or rear facing child.