Patio Mate 12-Panel Screen Enclosure 29122, White with Gray Roof Add 235sq ft 3 season living space to your wooden deck, concrete patio or mobile home. Heavy-duty galvanized cold rolled steel frame with baked-on architectural finish resists fading and oxidation. Fiberglass screening is rustproof 18 x 16 memory mesh  Lets the breeze in while keeping insects out. Tough triple layer vinyl roof resists mildew - Heavy duty grommets that prevent water pocketing and sagging 2 sliding doors can be positioned anywhere allowing you to pick the most accessible location.