An intense, brilliant color produced from dye surrounded by a polymer coating. Glows under black light. Fluorescent colors are not lightfast. For greater permanency, apply varnish with UVLS (Ultra-Violet Light Stabilizers) - however, this will eliminate the glow under black light Lightfastness IV (Very Poor); Semi-Transparent; Pigment(s): Dyed Polymer Particles, PW6 (Titanium Dioxide Rutile); Vegan FLAT, OPAQUE COLOR is achieved more easily with SoFlat. A unique blend of excellent coverage, matte finish and flowing, leveling consistency allows artists to create immersive fields of color without the distraction of texture and glare. VELVETY SMOOTH, DURABLE SURFACE when dry with excellent water resistance for the matte, opaque look of gouache without its limitations. Made in the USA with globally sourced materials by an employee-owned company with more than 40 years of experience making paint for professional artists, Weight: 0.3968320716 pounds, Manufacturer: Golden Artist Colors