Features: It helps to maintain a quiet in-car environment and stable temperature; Installation: The car door protector can be easily installed in the corresponding position without complicated steps; Material: It can effectively resist the influence of natural factors such as wind and rain and maintain stable sealing performance; Regularly clean away grit: Fine sand particles easily accumulate in the grooves of the weatherstripping, which not only affects the seal but can also scratch the film surface when raising and lowering the window. Troubleshoot "window raising and lowering noises": If a sharp grinding sound is heard when raising and lowering the window, it usually indicates severe wear inside the weatherstripping. If the noise persists after cleaning, it means the rubber has hardened and lost its elasticity, requiring replacement., Manufacturer: NUOSDEX