Our 10-foot Patio Umbrella is made with a 2-piece aluminum powder coated pole, and a heavy 220g polyester canvas with roman flap design. Its 8 spoke cage with a reinforced hub allows for easy raising and lowering with the built-in hand crank. The wind vent at the crown of the canopy allows winds to pass through, increasing pole stability. With the push of a button you can tilt this umbrella, making it easy to block out the early and late day sun.