Rainproof: made of polyester fiber, anti-ultraviolet, breathable, filter cloth with ventilation holes, strong and durable, anti-fading, easy to clean. High stability: No longer adapt to unstable umbrellas that may be scattered. Easy crank system: The sturdy frame and innovative crank technology make daily installation easy. Highlights and technology: The lightweight aluminum pole is unscrewed in the middle, which is convenient for easy and compact storage. Unique design: The unique double top design allows air to flow freely through the open space at the top of the canopy and generate cool side winds, while improving wind resistance and stability.