13' x 10' x 6.5' Walk-in Tunnel Greenhouse with 2 Zippered Mesh Doors & 10 Mesh Windows, Upgraded Gardening Plant Hot House with Galvanized Steel Hoops, GreenPlant Nursery: Extend the growing season. A hoop tunnel greenhouse offers walk in grow space with swift setup. Control heat, humidity and stop sun damage by blocking UV. If it's green, you can house it: vegetables, herbs, flowers, and saplings, or go tropical and expand your planting potential. Mesh Doors & Windows: Our walk in greenhouse features two zippered roll up doors you can use for easy access to your grow space. The doors and windows are