The GOOPAWS 4 Wheel Travel Pet Stroller is designed with a spacious carriage, two cup holders and plenty of undercarriage storage space. Frame fold-down easily for storage or travel, open and fold is easy without using tools. Lock brake system on the rear wheel, so you can lock the stroller when parked. Durable mesh provides airflow, visibility and keeps insects out. The mesh windows to keep your pal comfy and cool, and a mesh canopy that opens up away from the basket when you need more space.