Sturdy steel frame with 50lb child capacity includes NEW mesh bug screen to keep pests away Versatile 12" swivel wheel locks in place for jogging or unlocks and rotates for easy maneuvering in tight spaces Folds quickly and stores easily with one-hand fold design Convenient parent tray with lid, child tray plus spacious under seat basket provide extra storage 5-point harness offers safety and security Also compatible with InSTEP Car Seat Adaptor (sold separately)