Thickened PVC Wear Resistant Fabric, Thickened Oxford cloth 1680D material, high waterproof and not easy to penetrate, can be hand washed or wiped with paper towel. Elastic Band, Thickened elastic band, non slip fixing strip, pressing the computer to prevent it from falling, and effectively fixing the front of the car and the luggage. Self Adjusting Angle: According to different body types and preferences, the angle can be adjusted from 0 to 180° in all directions, suitable for different models and heights. Easy Installation, Just pull the needle elastic on the back and slip it into the steering wheel. It is suitable for laptop computers, and it is used for the front and rear buckles of the car steering wheel.