Greenhouse Cover Replacement 35453724right temperature and comes with 6" extended edges for a better seal against water. Raise your green thumb with Outsunny. Features: A plastic waterproof tarp cover suitable for a tunnel style greenhouse Used to replace damaged covers, improve product service life and save budget Made of durable, tear resistant PE plastic with a reinforcement grid Protects crops from cold, frost, and hail in winter and stimulates growth in spring and summer Roll up