The chocks are adopted with high quality rubber materials for maximum durability with long time use. Effectively prevent vehicle from moving by holding the wheel in place. < p>Designed with compact size, convenient to put in your car without too much space. Sturdy construction keeps vehicle stable, safe to use. Lightweight for easy pick up from ground, prevents tire rolling.< /p> Suitable for car trailer, truck or other vehicles wheel tires. Convenient for you to repair your vehicle or load/unload goods, or perfect for use when parking or changing a wheel, etc. . The Chocks are adopted with high quality rubber materials for maximum durability with long time use. Effectively prevent vehicle from moving by holding the wheel in place. Designed with compact size, convenient to put in your car without too much space. Sturdy construction keeps vehicle stable, safe to use. Lightweight for easy pick up from ground, prevents from rolling tires. Suitable for car trailer, truck or other vehicles wheel tires. Convenient for you to repair your vehicle or load / unload goods, or perfect for use when parking or change a wheel, etc. Material: ABS plastic The color is black Quantity: 2pcs Product Size (L*W*H): 15.5*9*9.8cm/6.1*3.5*3.9in Fitment: Universal Package List:2*Failed Slip