For Toyota For Sienna For Granvia 2021 2022 2023 2024 Car Engine Hood Sound Insulation Pad Cotton Soundproof Mat Trims The high elasticity fibre material of the engine insulation cotton can absorb some engine vibration reduce body resonance and improve driving stability. Engine thermal insulation cotton has thermal insulation performance low thermal conductivity can reduce the surface temperature of the hood in high temperature environment in summer. It resists cracking, melting, and wear, ensuring long-lasting protection under demanding driving conditions. Our engine hood insulation cotton helps keep your cabin cooler during hot weather, preventing the heat from the engine and other components from reaching the interior surfaces, Manufacturer: YANGZHUOBAI