[Triangular Structure and ] The bottom of the RV blocks has grooves and deep grooves on the wheel side. These holding force and effectively stop your wheels from moving. The RV wheel chocks is made of hard plastic material, which is scratch, oil, moisture and UV resistant, so you don't have to worry about using it in poor environments. [Good traction and bright colors] The bright color can help you use it in a darker environment. With Rope, Simple Structure for easy carry. [Multipurpose Tool] Wheel chocks are a great tool to prevent accidents and keep everyone safe when loading, unloading or servicing your vehicle. Our wheel blocks are ideal for blocking cars, trucks, trailers, RVs, small and medium aircraft, boats, and other utility vehicles. [Compact and easy to store] The wheel blocks can be stacked quickly, without taking up more space , the design is small and compact, easy to carry, a must-have for travel. [Stable Performance] The park tire saver ramps are designed to prevent flat tires or wheel damage that can occur during long-term storage. With these ramps in place, you can trust your tires to stay in good shape 're ready to hit the road again. Product Name:Multipurpose Anti-Slip Wheel Chock 1. Wide Application: Safely keeps any type of vehicle in place, making it a perfect fit for trucks, RVs, and trailers, among others. 2. Strong and Dependable: Crafted with high-quality plastic, this car wheel chock assures that it will not easily get damaged or deformed, promising dependable and long-lasting usage. 3. Anti-Slip Design: Featuring a textured pattern, our Car Wheel Chock's anti-slip design effectively prevents tires from rolling, providing ideal safety and peace of mind for your vehicle. 4. Save More Space: Say goodbye to heavy and Wheel Chocks. Our space-saving design lets you stack them quickly and carry them with ease, ensuring hassle-free transportation and setup. 5. Fitting Different Activities: Ensures safety in urgent situations, the Car Wheel Chock is ideal for travel, daily use, or business trips, fitting a variety of activities. 6. safety and stability while travelling with the car wheel chock. Perfect for RVs and can be stacked easily. Provides enhanced friction and grip for a long time. A must-have addition for any road trip! Colour:Yellow Material:Plastic Package Contents: 1 * Wheel Chock for Heavy Duty Truck Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.