Included 2 wheel chocks, these professional tool are an essential accessory for cars, caravans and trailers, preventing tires from rolling, convenient for you to repair your vehicle or load/unload goods, or perfect for use when parking or changing a wheel, etc. Perfect for chocking 2 wheels when parked on a gradient or both the front and back of one wheel when parked on a flat surface rough ground. Feature - Color: Black. - Material: Rubber. - Size: 20 x 12 x 12cm. - Made of and high strength rubber material, it is sturdy and durable with long-lasting pressure and long life. - Universal type, The slope of the chock conforms to rational slope of mechanical load bearing, which is suitable for all vehicle. - Designed with anti-slip pattern to prevent slipping in rain and snow, and effectively improve the safety of use. - Better performance, Less wear and tear on the car, less noise, and excellent absorption and compression resistance. - Portable, Easy to carry and use on the spot. It will not take up too much places of your trunk. -Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you