2008 Saturn Sky with a black cloth top. When I got the car I used 303 convertible on it, then I got semi cheap and moved to 303 cleaner. I always used a boars hair brush, then I`d follow up with their fabric guard. It looked great for awhile. But, I haven`t "cleaned" it in about 1.5 years outside of just a spray of whatever soap I`m using and a quick MF wipe down. It`s starting to fade pretty good and has some markings on it. I gave it a good scrubbing with 303 multi surface, and once it dried it hardly looked any different at all. I know 303 and Raggtop make products specifically for convertible tops. But I don`t know if they`ll do much since it`s fading. Googling last year turned up some restoration color products, but they`re for vinyl. I bought one about 11 months ago thinking it was for cloth. It was for vinyl, and while it looked great for a day, it looked bad again a a few days later. I would love to get it clean clean, and make the black look close to how it was when I bought it.