A mural is a large-scale artwork intended to enhance an environment, requiring careful planning, preparation, and quality materials to ensure its longevity and aesthetic appeal. Golden Artist Colors provides guidance and resources for creating murals, including a Mural Tech Sheet, which outlines recommended colors and application procedures. The company also offers products such as MSA Varnish and Isolation Coat to protect and preserve the artwork. Additionally, Golden Artist Colors emphasizes the importance of using high-quality materials and proper techniques to guarantee the mural's durability and resistance to fading, as some sponsors may request guarantees of up to 10-20 years. (Source ID: multiple)