The Sit N Stand Ultra stroller has multiple riding positions, allowing children to sit or stand along the ride, or use an infant car seat in both the front and rear facing seats. The Sit N Stand Ultra stroller can accept one or two infant car seats, (sold separately) all Baby Trend infant car seats, Graco Snugride classic fit, Evenflo Embrace and Discovery, Britax Companion and Chaperone and Safety First On Board 35 Infant car seats to make a travel system for the little one and a ride along for your older child to 50 pounds each child. Folds compactly for easy storage and travel, large storage basket, and foot activated brake. The unique rear facing seat allows your older child to ride or they can easily forward face to stand on the sturdy stand on platform. The child tray conveniently can swing away allowing even older children easy access to the front seat, the parent tray has covered storage with cupholders, with a second child cupholder for your older standing or rear facing child.