Rust-resistant aluminum frame and powder-coated ribs withstand bad weather. The patio hanging umbrellas frame features reinforced joints and a solid structure for long-lasting support. There are assembly guides in the packing box. We have simplified the installation steps in order to take care of the user's experience. Features： Dimensions： The base is NOT INCLUDED. We recommend using the matching umbrella base. You can search for it using the code: 43564566 in the navigation bar.