Efficient sound insulation design: Made from silicone, it significantly enhances the quietness inside the car. Effectively blocking external sound, suitable for long-distance driving and commuting, providing a more comfortable driving . Waterproof sealing: The 80cm length perfectly covers the car's B-pillar, ensuring that rainwater does not seep into the car interior. Whether it's a rainstorm or a car wash, it can keep the car dry, especially suitable for owners in rainy areas. Wear resistant and aging resistant: silicone has excellent weather resistance, and is not easy to age or deform. Even under extreme weather conditions, it can maintain good sealing effect for a long time and is suitable for various climate environments. Easy installation process: installation without tools, saving time and effort. Suitable for users with limited hands-on ability to easily upgrade the sealing of vehicles. Practicality: Effectively reduces interior sound, prevents rainwater infiltration, improves driving comfort, and extends the service life of window and glass.