Material: Rubber material can soundproof and reduce noise, reduce noise when the car window is closed, and improve driving comfort; Installation: After determining the installation position of the seal, wipe the area with a soft towel to ensure that the surface is clean and flat, and prepare for installation; Effective sealing: Car weather strips can cover the edges of the windshield and sunroof to reduce the intrusion of noise and provide you with a comfortable and quiet driving environment; 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