The Eagle Peak Polycarbonate Walk-in Hobby Greenhouse comes with a heavy-duty galvanized base to support the house frame, with the unique ground anchor design that helps bury it deeply in the soil to add extra stability. The window of our polycarbonate walk-in greenhouse with 4 adjustable angles and the Angle can be adjusted according to your needs, which can create an ideal growth environment for your plants. The 6' x 6' greenhouse can accommodate enough plants and gardening tools, so you can directly enjoy the fun of growing plants after assembly.