The pole of our large cantilever patio umbrella is made of upgrade extra-thick aluminum which makes it lighter but improves its strength and durability. Come with a base and sandbag. The umbrella canopy features polyester cloth to keep you cool and comfortable. The material is strong enough to hold up against the elements, and the sunburn rays are blocked. Compared to other umbrellas with bases on the market, our bases have a pedal that controls the aluminum rod rotates 360 . Ladies also operate without stress. You can easily position your umbrella at the perfect angle and quickly close and open it with a crank. When the sun rises, or the rain falls, the crank partway up the umbrella can open the umbrella, creating a shady area for safely enjoying the outdoors. Chose this cantilever patio umbrella to enjoy the sunshine without sunburn. Also, it can''t stop you from enjoying patio time when a rainy day. It provides superior support to resist wind. You can put it anywhere you want by using the freestanding base.