Patio Watcher LEAVE AWAY KEEP SAFE 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.