Patio Watcher 9-Ft Aluminum Patio Umbrella with Auto Tilt and Crank, 250 GSM Fabric,8 Steel Ribs, Dark Green Durable Fabric, provide more protection under sunlight. Easy tilt and light crank,open and close it without effort. <span class="a-text-bold">Pole:</span>1.5 inch,powder coated,more firm than other ordinary umbrellas. <span class="a-text-bold">Ribs:</span> Power coated 8 steel ribs,more stable for supporting outside. With Velcro to keep fabric close when,without storage bag.