The umbrella canopy made of 201T double layers high-density water repellent pongee cloth fabric, windproof, waterproof and UV protection double layer canopy with sturdy reverse ribs make this inverted umbrella very strong. more windproof than traditional umbrella. the aerodynamic design helps umbrella finds the most comfortable position in the wind which makes it exceptionally pleasant to use, even in strong gales. If the canopy flips, it can be rectified at the push of a button.