The Sit N Stand Ultra baby stroller has multiple riding positions, allowing kids to sit or stand along the ride, or use an baby baby car seat in both the front and rear facing seats. The Sit N Stand Ultra baby stroller can accept 1 or 2 baby car seats, (offered separately) all Infant Trend baby car seats, and select models from other brands to make a travel system. Be sure to refer to our infant car seat compatibility chart for more information: http://www.babytrend.com/faqs_carseatcompatibility.html.Folds compactly for easy storage and travel, large storage container, and has a foot activated brake. The unique rear facing seat permits your older child, (up to 50 lbs.) to trip or they may easily forward face to stand on the sturdy stand on platform. The kid holder conveniently may swing away permitting even older children easy access to the front seat, the parent tray offers protected storage space with cupholders, with a second child cupholder for your older standing or rear facing baby.