FABRIC: Made from our proprietary fabric line Pacifica fabrics are Solution Dyed Canvas grade fabric made from Polyester fibers with built in UV protection offering a 4-year color fast fade . Construction: Aluminum center pole with highly flexible and durable fiberglass ribs roviding a combination of increased wind resistance and stability for your shade. Operation: Durable, commercial grade no-tilt design to extend the lifespan of the umbrella Optional base is not included and must be purchased Separately Care instructions: Clean with Mild Soap and Water