This Walk-In Greenhouse is perfect for the home gardening enthusiast who is looking for a way to stay in the soil all year-round. Featuring a heavy-duty aluminum frame with a speed click system, this greenhouse is easy to construct requiring minimal skill. The thick, 4mm twin-wall poly carbonate covering provides added insulation and strength while the 2 large roof vents provide optimal greenhouse ventilation. Comes with a single sturdy hinged door and locking handle to protect your greenhouse and keep your plants secure!