A pet stroller having a frame assembly and a cloth platform enclosure connected to a platform enclosure member that defines a base and a sidewall of a pet seating area. Upper and lower canopy bars are pivotably connected to the handle and are pivotable to extend or retract a canopy over the pet seating area. A cloth canopy assembly is connected to the handle and the upper and lower canopy bars. A latch assembly clamps the lower canopy bar to the platform enclosure member to form an enclosed pet seating area.