Extend The Growing Season: Our walk-in garden polytunnel creates a large space for you to start up seeds and protects plants from fluctuating temperatures. Extend the growing season and end your winter woes in milder climates.Roll-Up Doors & Window: The large, zipped roll-up doors provide easy access to your walk in greenhouse, and the mesh window keep out unwanted guests with wings. Multiple openings allow for cross ventilation, so temperature and humidity are in your hands.High-quality PE Cover: Our two-layer PE cover features a reinforcement grid through the middle to prevent tearing. It protects plants from UV scorching while allowing 85% of nourishing sunlight to pass through uninterrupted.Secure Your Greenhouse: Our small polytunnel is composed of three crossbars and a reinforcing ground frame, all made of water-safe, bend-resistant powder-coated steel. Formed into an arch shape, the top prevents sagging and allows it more stability against wind and rain. To reduce the wind obstr