Ribs Durable Iron Pole: The 1.5 inch diameter heavy gauge iron pole is powder coated for rust resistance in an Antique Bronze finish. The 8 ribs are also powder coated in Antique Bronze. Weather and UV Protected: The 11 ft canopy is outdoor-rated 100% polyester and is water resistant, UV resistant and fade resistant. Perfect for adding shade to your 60" round, square or rectangle table with 6 to 8 chairs. Easy to use: The easy-to-use crank sytem makes it easy to raise and lower the canopy. The push button tilt technology also makes tilting the umbrella effortless so that you can enjoy shade at any angle with this 11 ft patio umbrella outdoor.