13 Foot Market Patio Umbrella Outdoor Furniture Aluminum (Brown) Color: Brown Dimensions: 13 feet in diameter, the largest in the market | UV protective and anti-fade 180D polyester Pole Measurement: 100 " Length x 2 " Diameter | Ribs: 8 | Pole Diameter: 2" Firm supporting nail fixed on pole when stretched | Pole material: Aluminum Umbrella Shape: Octagon | Pulley and rope for convenient lifting and lowering.