I like how the product goes on and really transforms the UV fading back to its blackish color. Not a perfect factory black, but definitely newish looking. I might have to apply again on my next major wash as I may have not worked all the Maguire’s convertible top cleaner out of the top at the carwash before I applied. Anyways, I will see how long the current application will last til then. I want to heed a word of caution before initial use. This stuff has a black dye in it like shoe polish basically, but comes in liquid-like paste viscosity, so shake well and point the opening away from you when you open the nozzle because it will splash out the top and ruin your clothes if you care about your clothes. Apply to the applicator in a zig like pattern to the entire length of the applicator, then allow the liquid to soak in before taking the initial pass on the top, then by the second dump on the applicator the product will have saturated itself into the applicator evenly and you can go back over your initial pass to work that back in evenly. Use a shop rag to work it into the areas where the applicator won’t go and then fan it out with the applicator to blend it in with the rest of the top. Be sure to just go back over the residual areas without product in the applicator to spread it out evenly. Also, a second application might be necessary if your top is really sun faded. Overall, I highly recommend this product to black vinyl convertible tops.