1. 10 Reinforced Fiberglass Ribs,The umbrella has 10 Reinforced Fiberglass Ribs for support; It can withstand 30+ miles per hour winds and do not collapse or turn inside out.The ribs are made of a flexible material that can handle much more stress and wind than other standard 8 or 9 ribs umbrellas. 2. Small and lightweight, the umbrella has a small footprint when folded and doesn't take up space in purses, backpacks, and luggage; and it can also be easily tucked into the fender at the back of a car seat, making the umbrella more sturdy, yet lightweight enough to carry in your backpack every day. 3. 2-in-1 Button: Auto open and close, Auto open and close function is very quiet and smooth, just press the button to open and close the tarpaulin easily, Auto open and close tarpaulin button Makes getting in and out of a building or a car easier and quicker, no need to stand in the rain too long 4. It can be used both in rainy and sunny days.If you need an umbrella that is strong and fit into your backpack for a trip. The umbrella is great and do well in rainy and sunny days. 5. The ergonomic handle is comfortable and solid, textured for easy gripping.There is no sharp edge at the top of the handle that you find on many compact umbrellas.The ergonomic handle is large enough to hold for a long time so your hand doesn't cramp.