Genuine OEM Volkswagen Roof Sound Insulation Mat, part number 1S0864919. This specialized damping mat is designed to effectively reduce noise and vibrations within the vehicle's interior, contributing to a quieter and more comfortable cabin experience. It is typically installed in the central roof area. Made from a dense, textured material, it weighs 0.611 kg and measures 0.4 m in length, 0.2 m in width, and 0.002 m in height. Using a genuine OEM insulation mat ensures optimal acoustic performance and a perfect fit, maintaining factory-level sound dampening.