InstaCure Weathershield Matte UV is an extremely durable, non-yellowing, 100% solids UV curable clear coat specially formulated for use on applications requiring extended outdoor exposure in harsh environments. InstaCure Weathersheild 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)