Greenhouse Cold Frame, Roll-Up Door, Steel Plastic, TransparentUnique Design: Tall and narrow, its unique design makes it ideal for patios, balconies, gardens, or areas with limited space. Plastic Cover: The fully enclosed, waterproof, and UV resistant plastic cover of the film greenhouse retains humidity for growing tropical plants while allowing high energy sunlight to pass through. The 9 cm extended edges are dug deep into the ground to stabilize and tighten the cover, preventing rainwater from accumulating.