A backyard greenhouse is every gardener's dream, and this one is a beautiful as well as functional backyard oasis. The panels are made from impact resistant, flexible, 100% UV-protected polycarbonate, with twin-wall roof panels to protect from strong sun exposure. Clear wall panels provide 90% light transmission. Heavy-duty, rustproof aluminum frame with galvanized steel base. Double swinging doors. Built-in gutter system allows water to drain and lets you collect water for irrigation. Side louver window for ventilation.