BIG SIZE AND DOUBLE CANOPY DESIGN : 49 inches large size umbrella?? the newest double umbrella canopy design.It can accommodate three people. And more effective wind resistance.</br>MAXIMUM LEVEL OF WINDPROOF: Our umbrella is made of alloy and steel windproof frame.The width of each rib (0.3 inches)is 2 times of the ordinary umbrella.So it can stop the strong wind?? can survive in any bad weather.</br>QUICK-DRYING: The fabric is not hydrophilic?? is a kind of high-grade all-weather fabric?? high density soft?? not rough. The water touches the umbrella surface will become small drops of water?? it is easy to get rid of.When it rains?? you only need to gently shake??and dry with a tissue.</br>FAST AUTO OPEN AND CLOSE: One Second One Hand Opera