What we offer: An umbrella and a weighted base Clear assembly instruction makes you easy to assemble Large area shade: The size of this patio umbrella is 12' X 12', unique handle design and crank system, 6 height and angle to choose, 360 degree rotation for easier shading area control Structural stability: All-aluminum umbrella bones and 8 heavy-duty ribs Sturdy support makes our umbrellas resistant to wind damage Upgraded Fabric: 240/gsm yarn dyed polyester fabric, UV 25, water-repellent and colorfast fadeless Balanced wind design: Featuring a double-top design, the umbrella allows for ventilation underneath and can control wind direction to stabilize the canopy Fill at least 50% with sand and completely fill with about 330 Lbs of sand and water PURPLE LEAF patio umbrella offers you enough coverage to shade round. The alloy steel we use for this offset umbrella makes it strong, the anti-oxidation spray painted gives it a long period life. The hand-crank system makes this offset umbrella easy to use, even if a child can handle it easily. We use 240/gsm polyeseter as the fabric of this offset umbrella, which means it is fade resistant and water-repelllent, also makes it be easy to clean. With Purple Leaf patio umbrella you can enjoy your outdoor life no matter it is raining or on sunshine days. Get one now and start your wonderful outdoor life.