Color (dye-based color) rejuvenates faded speaker unit cone paper. Holds 3 15" units The first image left is the pre-colored corn paper and the right side is the colored Corn paper. You will see how they are amazingly beautiful and revived. Easy to follow steps. The included brush allows you to apply it in a circular shape. Even if you apply it, it will not become uneven; anyone can easily expect a beautiful finish. Features natural and beautiful colors. This coloring agent should not change the mass of corn paper, so unlike those with high concentration and viscosity like paint, it is similar to well-refined dyes. In addition, 65% ultra-pure water accumulates almost equal mass changes after drying and at the same time there is no properties that cure or soften corn paper. Therefore, there is no effect on sound quality. The primary component is solvents, coloring and wetting agents. Light fastness and durability depends on the environment where the speaker is placed, but it shows the gradual fading over 2-3 years without the special place exposed to direct sunlight. It can be maintained by looking at the change and maintenance it again with the span. Bring your JBL unit back to life! Of course, it can be used on all makes and models of corn paper. Excludes special types with coatings etc. Please check the images for the color.