3 Modes - frame carrier travel system toddler stroller. Multi-position push handle. Tread tires and all-wheel suspension. Rear-linked foot brake. Reversible seat cushion. KeyFit 30 Zip features a 5-point harness with one-pull tightener. Removable newborn positioner. Premium LATCH connectors. SuperCinch force-multiplier tightener. RideRight bubble level indicators. ReclineSure spring loaded leveling foot. EPS energy absorbing foam. Bravo LE Stroller - children up to 50lbs. KeyFit 30 Zip - infants 4-30lbs and up to 30" tall.