For a light cleaning of your patio umbrellas you may clean fabrics while still on an umbrella frame. Brush off loose dirt with a broom or brush. Hose down the fabirc using your normal garden hose or a power washer on a low setting. Prepare a cleaning solution of water and mild soap such as Ivory Snow, Dreft or Woolite (no detergents). Use a soft bristle brush to clean any dirt markings. Allow cleaning solution to soak into the fabric, do not allow the soap to dry. Rinse thoroughly with your water source. Allow fabric to air dry. Please note, do not close umbrella while wet, as this will cause mold.