This walk-in tunnel greenhouse is built with reinforced galvanized steel pipes and a heavy-duty PE cover for durable plant protection in a range of weather conditions. Its spacious interior gives you room to grow a variety of plants and set up shelves as needed. The design includes 8 mesh windows and a large zipper door to support airflow while helping keep small creatures out. Extended cover edges can be buried or weighted down to improve insulation and stability. It is suitable for home gardens, farms, and small commercial growing applications.