Replacement Cover: An easy way to prolong your 3 room tunnel greenhouse frame when your old greenhouse covering becomes damaged. Ensures you can grow plants, vegetables, fruits, and herbs all year round.Thick PE Plastic: An effective and durable shield, UV-protective coating. Maintains humidity levels, allows nourishing sunlight to pass through.Roll up Door and Windows: Zipped door to walk in and out easily, rolls up to keep in place. Windows on each side for fresh air inside easily, with fasteners.15cm Extended Edges: Bury in the soil to tighten the cover, making it extra stable.Dimensions: 2H x 4.47L x 3Wm. Door: 1.7H x 1.75Wm. Window: 46L x 36Wcm. Keep away from pesticides and acidic chemicals. Applicable Outsunny Greenhouse: B0829XSJGN (845-070) .