High-quality hub caps are crafted using durable ABS with high impact resistance and corrosion resistance. Unlike metal covers, the exterior of hub cap is rust-resistant. The wheel caps sets undergo a special multi-coating process, enhancing their mechanical properties, impact resistance, and heat resistance. With a robust design that is both waterproof and rustproof, these semi lug nut covers exhibit exceptional durability in any environment, effectively shielding and preserving the axles.