The frame of the greenhouse consists of rust-resistant electrophoretic steel pipes, and the interior is reinforced by plastic connectors for overall stability. In addition, we provide 4 ground stakes to help secure the greenhouse to the ground. And the extended edges of the cover can be placed with stones to improve the windproof performance of the greenhouse. In addition, our greenhouse has 2 zippered roll-up doors, provide easy access for you to take care the plants. In addition, our greenhouse has a unique design with air holes on the top and sides that can be inserted into poles, suitable for planting some climbing plants. And we offer 4 grid racks, perfect for storing flower pots. With clear instructions and installation videos, the greenhouse is not difficult to assemble.