This umbrella is made of double layer pongee umbrella cloth, 8 fiber bones and carbon fiber stick and automatic push-button open. C-type frosted handle can release one of your hands and it is convenient for you to do other important things. The inside out design is perfect for when you are trying to get into a car. You normally can barely get into the car without the umbrella being still on the outside of the door. It turn the world of umbrellas upside down, stop water dripping on you by opening in reverse!