VHT(R) Nite-Shades(TM) is a transparent black tail light lens coating for creating a custom European styling. When applied to tail lights, fog lights or turn indicators, VHT(R) Nite-Shades(TM) appears black until they are lit, then the natural red color appears. Recommended for off road use. Warning: Once applied to plastic lens, SP999 is not able to be satisfactorily removed.