Built on a galvanized steel frame with one top beam and diagonal support poles this 15 x 6.5 x 7 ft tunnel greenhouse creates 97 sq ft of planting space for seedlings vegetables and container gardens. The 140 g Pe cover drapes taut over the hoops and stakes firmly into the ground while the zippered front door provides full-body access. Eight roll-up mesh windows flank the sides so gardeners can regulate temperature and airflow without opening the main door.