Genuine OEM Volkswagen Protective Film, part number 6C1998981. This protective film is designed to be applied to the projector lens within the headlight assembly, safeguarding it from dust, moisture, and minor abrasions. It is a small, clear plastic sheet. Genuine OEM parts ensure the film is precisely cut to fit the projector lens without obstructing light output, maintaining the headlight's intended performance and longevity.