The lights are finished  with three coats of automotive urethane clear coat. This is the same thing your vehicle is painted at the factory with; therefore, they can be cared for just as you would your vehicle.  Please do not apply any wax or sealant to the lights for at least 30 days of receiving them. The fresh paint needs to "breathe" for this period of time to fully and correctly cure.  With proper care and maintenance they are sure to last the life of your vehicle.