Pactra RC281 Spray Paint, 3-Ounce, Fluorescent Green Use on the underside of clear Lexan (polycarbonate) radio control model car bodies; Allow overnight dry before applying Cover coat Fluorescent colors are semi-transparent; To enhance fluorescent effect, overcoat with Pactra RC Opaque White Fluorescent Cover coat RC290 3 Ounces of Fluorescent Green in a spray can