1These templates have good weather resistance and acid and alkali resistance, and will not cause yellowing and hydrolysis due to years of rain and sun. 2Long life, long-lasting durability, 3 years longer life than other materials. 3Good light transmission, up to 92%, less brightness required. 4The template is accurate and clear with accurate prong distance. 5The acrylic templates come with a layer of kraft paper protective film to prevent scratching during transportation.