STABLE BASE & GROUND ANCHOR: The EAGLE PEAK walk-in greenhouse comes with a heavy-duty galvanized base to support the house frame. The unique ground anchor design helps bury it deeply in soil to add extra stability. PREMIUM MATERIAL: The outdoor hobby green house is made of a high quality aluminum frame and 4 mm twin-wall poly carbonate roof panels. The transparent panels help block UV rays but also allow maximum light transmission. BUILT-IN RAIN GUTTER WITH HOSE: Designed with rain gutters and hose for drainage purposes. It is a good way to collect the rain for watering the plants inside. ADJUSTABLE ROOF & ROOF HOOK: This aluminum frame greenhouse features 4 roofs vent with 4 adjustable angles for getting continuously fresh air to your plants. The built-in roof hooks provide more space for hanging pots. If you have any other questions, please contact our professional service team.