Our large ground-level tunnel greenhouse measures 600 x 300 x 200 cm (length x width x height), providing you with your own private garden nursery. The ground design offers ample space for plant growth while facilitating watering and cultivation. The protective cover is made of high-quality PE material, providing sun protection, bite resistance, and waterproofing, protecting your beautiful plants year-round. The supporting frame uses a high-strength galvanized steel structure, effectively preventing damage from snow or rain. For enhanced stability, the frame is also equipped with four support poles. You can also tighten the ropes, secure it firmly to the ground with metal stakes, and place stones along the edges of the cover. A large mosquito net door and roll-up screen windows allow you to easily control the indoor temperature while improving air circulation. Product Features: Ground-level tunnel design. This large ground-level tunnel greenhouse, measuring 600 x 300 x 200 cm, provides ample planting space for a variety of plants. Furthermore, it facilitates plant care and the movement of items. Durable and Insulating PE Cover: The greenhouse is equipped with a sturdy PE cover, which not only effectively protects plants from harmful UV rays and other adverse factors, but also keeps the interior warm, promoting plant growth. Robust Galvanized Steel Construction: The arched greenhouse is made of robust galvanized steel, making it resistant to rust and damage, and able to withstand strong winds, heavy rain, and other harsh weather. Furthermore, it features a stable "U"-shaped frame and four reinforcing ribs to enhance structural strength. Good Ventilation and Insulation: This large greenhouse is designed with two doors and eight roll-up mesh windows, ensuring good air circulation and easy observation of plant growth. It also features a mosquito net door, ensuring ventilation while preventing animal entry. [Superior Wind Resistance] The outdoor tunnel-style greenhouse is equipped with windproof ropes and metal ground stakes to secure it to the ground. Extended covers are also provided for placing stones or burying the edges deep in the ground for increased stability. Robust and Durable, Highly Functional. Features: Robust and durable. Ground-level design facilitates plant growth and watering. Provides ample space for planting and managing a variety of plants. The PE material cover offers sun protection and weather resistance. Made of sturdy, rust-resistant galvanized steel, it ensures long-term durability. Unlike other 1.8cm diameter tubes, our product uses 2.4cm diameter tubes for added strength. The stable "U" frame is securely screwed together, preventing deformation. It features roller shutters and hooks, with two doors on each side for independent rolling. Eight roller shutter windows secured with hooks promote air circulation. An extended cover allows for the addition of stones for added stability. It can be firmly secured to the ground using ropes and ground stakes to withstand strong winds. Prevents plants from wilting due to overheating, frost damage from cold air, or damage from animal bites. Includes two pairs of gloves to protect your hands during installation. Specifications: Color: Green; Material: Galvanized Steel. Overall dimensions: 600 x 300 x 200 cm (L x W x H) Door dimensions: 100 x 180 cm (L x W) Small window dimensions: 50 x 50 cm (L x W) Large window dimensions: 80 x 50 cm (L x W) Net weight: 34.5 kg Packing list: 1 x Tunnel greenhouse, 2 x Pairs of gloves, 1 x User manual