Genuine OEM Volkswagen Soundproofing, part number 3G8863017. This component is designed to reduce noise and vibration within the vehicle's cabin, contributing to a quieter driving experience. It is marked as number 12 in the diagram. The soundproofing material has dimensions of 0.135m x 0.07m x 0.02m and weighs 0.025 kg. Genuine OEM soundproofing materials are specifically engineered for optimal acoustic performance and durability.