1. Prevents vehicle from moving by keeping wheel in place. 2. Perfect for chocking 2 wheels when parked on a slop or both the front and back of one wheel when parked on a flat surface rough ground. 3. Easy access and convenience to put in your car while will not take up too much space. 4. Prevents tires from rolling. Use with ramps or other lifting devices. 5. Light weight for easy pick up from ground. 6. Material: ABS
