This is a black Audi TT 8N Coupe trim panel set for the boot, specifically a parcel shelf. It is designed for the interior of the vehicle and is used to cover and protect the contents of the boot. The panel is in a black Soul colour and is secured using clips. The OEM reference number is 8N8863879B and the set includes the panels with reference numbers 8N8863880E and 8N8963879K.
