Features:High quality plastic construction, not easy to crack and durable for long time use. Designed to prevents vehicle from moving by keeping wheel in place. The compact size allows for convenient put in your car while will not take up too much space. Heavy duty construction keeps vehicle steady, durable in use. Direct replacement, perfect replace your old or broken one. Lightweight for easy pick up from ground, prevents tires from rolling. Applicable for car trailer, truck, or other wheel tire of vehicles. Convenient for you to repair your vehicle or load or unload goods, or perfect for use when parking or changing a wheel etc. Specification:Condition: Brand NewMaterial: ABS PlasticColor: BlackQuantity: 2pcsPackage Weight: Approx. 816g or 28.8ozProduct Size(LxWxH): 15.5x9x9.8cm or 6.1x3.5x3.9inPackage Size(LxWxH): 23x15x9cm or 9.1x5.9x3.5inFitment: UniversalPackage list:2 x Slip Stoppers .