Our JUSTLET 11 ft Curvy Cantilever Patio Umbrella Outdoor Heavy Duty Offset Hanging Umbrella with Base for swimming pool, garden, porch, deck, lawn, backyard and market is great for a family gathering outdoor. With making of heavy duty polyester resistant fabric, it is effective in heat insulation, UV radiation protection, water and corrosion protection. Compare with normal umbrellas, our 11' outdoor offset patio cantilever umbrellas, thanks to its premium aluminium material column, is extra heavy and stable to ensure your safety under patio shade. Also we powder coated the whole frame to make it rust-resistant and durable. It can be used in a variety of weather conditions. But in order to extend the service life of your new outdoor offset umbrella, we have customized an outdoor umbrella cover for each outdoor umbrella. We recommend that you cover and store the umbrellas at night or under extreme weather conditions. Mutiple colors optional: Beige, Gray, Peacock Blue,Orange, Navy and Red, can meet most people's demand.