What a powerful umbrella for outdoor using! Our patio umbrella is made of high-qualified polyester fabric and heavy duty aluminum to have a better performance outdoor. It is sun-protection and water-proof to perfectly protect you from harmful sunlight and rain. Moreover, there is a crank on the side of pole, making it easy for you to open and close this umbrella. Air vent on the top not only promotes air circulation, but also enhances stability. This umbrella can be widely used in garden, pool, background and yard with a convenient strap. Enjoy happy outdoor time under our patio umbrella with your family and friends!Features:Made of waterproof, fade-resistant and sun-protective polyester fabricAir vent is designed to promote air circulation and enhance stability1.5'' diameter aluminum pole and 8 iron ribs for stronger supportSuitable for outdoor places, such as patio, garden and poolside