outsunny greenhouse replacement cover for 11 4 x 9 8 x 6 6 walk in tunnel pe hot house plastic cover with zipper door and 6 roll up windows green frame not includedJust because your greenhouse has no cover doesn't mean you have to buy another greenhouse. This replacement tunnel greenhouse cover will keep your shovel in the soil. Made of protective polyethylene plastic (pe) that blocks harmful uv from damaging plants. Walk in the space and quickly seal it by using the zipper door. Withstand weather and wind. Control temperatures, humidity and easily ventilate your greenhouse using the six roll up zipper windows.