To improve the comfort and quietness of your car's interior, we're proud to introduce this self-adhesive sound insulation batt. The uniquely designed corrugated structure effectively absorbs and isolates noise, providing you with a quieter driving experience. Whether it's the noise from heavy traffic in the city or the wind on the highway, our soundproof cotton can effectively reduce sound transmission, allowing you to enjoy a more pleasant driving time. Features and advantages: High-Quality Materials: Made of high-quality acoustic materials with excellent sound absorption. Self-adhesive design: Convenient and fast self-adhesive design, simple to fit on various parts of the vehicle interior, no professional installation required. Full vehicle coverage: Equipped with enough length to cover the entire vehicle interior, including doors, trunk lid and other parts. Multifunctional use: Not only can it be used for sound insulation, but it can also effectively prevent heat transfer and improve the comfort inside the car. Scope of application: Suitable for various car brands and models, and can be widely used in private cars, commercial vehicles, trucks and other vehicle types. Instructions for use: Clean and dry the surface to be applied. Tear off the protective paper from the back of the sound insulation cotton and stick it to the desired area. Make sure the insulation foam fits completely and apply even pressure using the palm of your hand to ensure a secure fit. Precautions: Before installation, please make sure the interior of the vehicle is dry and clean to ensure the best sticking effect. It is recommended to install in an environment with a suitable temperature to ensure the self-adhesive effect. It can be widely used in vehicle types such as private cars, commercial vehicles, and trucks.