"This high-quality patio umbrella is perfect for any home patio setting. It features aluminum ribs and a center pole for superior strength and durability for a worry-free construction built to last. An easy-to-use crank mechanism makes it a snap to open and close the umbrella whenever you want some respite from the sun, while the collar tilt feature allows you to adjust the angle of the canopy to suit your needs and keep the sun at bay no matter how its position changes throughout the day. Plus, the beautiful fabric is composed of high-performance synthetic Olefin fibers that have been solution-dyed for longevity to be strong, durable, and resistant to stains, mildew, and fading. Whether you're entertaining guests or simply relaxing in your backyard, this patio umbrella will provide the perfect amount of shade to keep you cool and comfortable all day long.