Walker Raindrops Color Changing Auto Folding Umbrella with Black Rubber for Cooling and UV Protection(pink+green) ONE KEY OPENING AND CLOSING: Travel umbrellas do both functions at the press of one button. Auto close is handy for quick entry into a car, building or tent. Auto open offers instant cover from rain with a fast opening action. One handed operation is the other advantage giving you the capability to easily carry items with your other hand. 8 RIB STRONG WINDPROOF: Most travel umbrellas are made with 6 or less Ribs so it is hard to resist strong wind and heavy rain in outdoor traveling. The unique 8 Ribs sturdy frame is engineered by carbon fiber ribs can make more flexibility to overcome extreme weather outdoors. AUTOMATIC COLOR CHANGING: The white rainbow lips will change to red once encounter the rainwater immediately, and when the cloth dry out, the lips will back to white correspondingly. STRONG WATERPROOF: The umbrella will NOT break under strong wind. Engineered with an automatically adjusting flex frame made from carbon fiber, in heavy winds the canopy is designed to invert itself and bounce back to its original shape. Other umbrellas simply break. EASY TO SPIN-DRY Made from high density water-resistant NC fabric makes it easy to shake off the raindrops.