Materials: These seals are made from special materials, offering durability and withstanding long-term use and harsh environments. Functions: These sealing strips reduce pressure on the doors from the s, reducing the sound of doors closing and lowering sound transmission. They provide better sound insulation. Effective sealing saves fuel, cools quickly, and reduces wear. Installation: sealing strips are easy to install, simple to maintain and repair, saving you time. Pre-sales service: Before purchasing, please verify the image information and the vehicle's brand and model to avoid purchasing the wrong item and affecting your use. After-sales service: If you have any questions during use, please leave us a message through Amazon, and we will give you a satisfactory reply within 24 hours., Manufacturer: YIOLGFB-71