The Weatherguard Roundtop Greenhouse offers plenty of room to foster growth of vegetables, flowers, and herbs on a year round basis. The FloThruVent technology controls airflow from the base and the ends of the unit with lower vents and upper zipper-screened windows. The walk-in design enhances the gardening experience. * Walk-in style greenhouse in an assortment of sizes * 100% commercial grade galvanized steel frame and connectors * Rigid frame maintains shape and provides strength * Triple-layer waterproof, UV protective polyethylene * Cover, door, and end panel included * Easy 3-piece construction with detachable front and rear panels * Reinforced triple ridge roof supports heavy hanging baskets