Features: Effectively prevent vehicle slippage and tilting while providing stable for enhanced safety during parking. Engineered with PP materials, these wheel chocks resist deformation under heavy loads (tested for extreme pressure) and maintain structural integrity across temperature fluctuations. Designed for motorhome adventurers, campervan owners, and outdoor enthusiasts requiring dependable stabilization for motorhomes or trailers on uneven campsites. Perfect for securing parked vehicles on slopes, gravel surfaces, or soft terrain during camping trips, roadside stops, or long term storage to prevent tire misalignment. Compact yet heavy duty design ensures easy storage in vehicle compartments while delivering industrial grade support – a must have upgrade for worry less mobile living. Specifications: Component: PP Size: Approx.414x141x400x83mm/16.3x5.55x15.75x3.27inch Size: Approx.131x84x99x105mm/5.16x3.31x3.9x4.13inch Package Includes: 1 Pair Tire Chocks note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.