I bought both the coarse and the fine in their small packages to try them out after having tried several branded polishes. Along with their sponges—the blue one for the coarse and the yellow one for the fine—the results are incredible with a dual-action polisher: low speed and moderate pressure for the coarse, and higher speed with minimal pressure for the fine polish. The color becomes better than new. It also removes yellowing and cloudiness from plastic headlights and restores them to their original condition. Truly the best I have tried. Be careful to use only a minimal amount of polish on the sponge, as it clogs easily and the sponge needs frequent cleaning while you work. Both the sponges and the polishes are worth every cent.