Zenport SH3240 portable Pop-Up Greenhouse provides year round protection of small shrubs, bushes and plants from cold, frost and other harsh weather conditions. Constructed with heavy duty clear polyethylene and spring steel the greenhouse tent is easy to set-up without tools. The circular greenhouse measures 19.25-inches round by 26-inches tall when fully opened. Folds flat for storage in carrying bag when not in use. Includes metal stakes for anchoring to the ground in light wind conditions. Comes with 1 flap vent.