InstaCure Weathershield Matte UV is an extremely durable, non-yellowing, non-reflective 100% solids UV curable clear coat specially formulated for use on applications requiring extended outdoor exposure in harsh environments. ICUV-WSUVM has been designed and tested to be "weather durable" up to 5 years and will not crack, chip, peel, or chalk or blush when applied as recommended. (Comes in both gloss and matte)