Large Tunnel Greenhouse: The Loyal Guardian of Your Plants:Constructed with thickened galvanized steel pipes and a robust PE cover, this tunnel greenhouse ensures durability and stability. Featuring three top beams and reinforced side braces for enhanced stability, it stands strong against harsh weather. The UV-resistant, cold-proof, and waterproof PE cover, along with mesh windows to keep insects out, provides an ideal environment for your plants. With spacious dimensions, multiple windows for ventilation, and adjustable hook & loop fastener windows, it keeps the airflow optimal and protects your plants for healthy growth.