We have recently added "The Arch" shade structure to our line of products. The new design has a contemporary shape that is pleasing to the eye and is easily assembled onsite and requires no welding. This allows the structure to be available in kit form and shipped to you. The Arch is offered with a WeatherMax waterproof fabric. This material has a 5 year manufactures warranty and there are 5 colors to choose from, the color chart for WeatherMax is located on the Fabrics page.