Extend the growing season of your plants with Outsunny Large Garden Polytunnel Greenhouse. It features a durable polyethene covering with grid threading and a sturdy galvanised steel tube frame. The large double zippered door makes for very easy getting in and out of this greenhouse outdoor - it also comes with six ventilation windows. The fully closed UV protection PE cover maintains high humidity levels for growing tropical plants and allows nourishing sunlight to pass through. The 15 cm extended edges are supposed to be deeply buried in the soil to tighten the tunnel greenhouse cover for more stability. Size: 4.5 x 2 x 2m.