VEVOR 6.1 x 3 x 2.1 m Walk-in Tunnel Greenhouse, Portable Plant Hot House with Galvanized Steel Hoops, 3 Top Beams, Diagonal Poles, 2 Zippered Doors & 12 Roll-up Windows, White

Excellent Air Ventilation: With 12 mesh windows, our tunnel greenhouse can keep out small "annoyances" and increase cross ventilation and airflow. Moreover, we have 2 roll-up zipped doors for air to freely enter and exit. Keep your space clear of debris and make sure every breath you take is one to remember.Upgraded Galvanized Frame: We upgraded the galvanized steel to 0.8" diameter and 0.02" thickness. The 3 top beams with diagonal poles support a high tunnel greenhouse steadily. We have got you covered, so get ready to see your crops grow all year round.High-Quality Waterproof PE: The walk-in tunnel greenhouse comes with a PE cover, which can protect your plants from ultraviolet rays, and rust. The size of the cover fits the frame closely, enhancing the warmth and wind resistance.All Tools Included: The hoop house greenhouse is easy to assemble with connectors, and screw covers can prevent scratches and rust.Includes 4 ropes, stakes, and guy ropes for added security, stability, and strength. Note: Do not tighten screws until the final position is confirmed.Warm Home for Plants: Our 20 x 10 x 7ft green house provides the best solution for cultivating vegetables, flowers and creating beautiful landscapes efficiently. The hoop house kit protects plants from the cold, frost in winter; it creates a better environment by increasing the air flow in summer.