Applicable Information This wheel stopper is idealy designed for car trailer, truck, or other wheel tire of vehicles. Convenient for you to repair your vehicle or load/unload goods, or perfect for use when parking or changing a wheel etc. Excellent ABS Plastic MaterialThe safety wheel chocks blocks use ABS plastic materials, which is not easy to crack and durable for long time use. Package Weight is Approx. 816g / 28.8oz. Product Size(L*W*H) is 15.5*9*9.8cm / 6.1*3.5*3.9in. Package Size(L*W*H) is 23*15*9cm / 9.1*5.9*3.5in. Perfect ProtectionOur slip stopper is designed to prevents vehicle from moving by keeping wheel in place. Lightweight for easy pick up from ground, prevents tires from rolling. Direct replacement, perfect replace your old or broken one. Convenient For PuttingThe 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. Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you