✅ Heavy-duty flexible PE plastic, excellent impact & crack resistance against road gravel ✅ Stable flexible raw material, never brittle or snap under extreme hot & cold weather ✅ Full ribbed reinforced structure, prevent long-term warping & permanent deformation ✅ Heat & cold resistant PE, no shrinkage, softening or curling from brake high temperature ✅ Full wheel arch coverage, block mud, snow, sand & salt to protect car body & brake parts ✅ Anti-corrosion plastic surface, resist road salt, detergent and corrosive mud erosion ✅ 1:1 OEM precision molded contour, gap-free tight flush fit matching factory wheel well ✅ Pre-punched factory mounting holes, direct install without cutting or drilling ✅ Lightweight tough design, reduce suspension load while enduring daily road vibration.