The Malco vinyl and leather cleaner is hard to find, I buy it on the internet. I was made away of it from the person who does my upholstery on my classic cars. It is an excellent product. I just googled it so you can check it out, this was the fi...
I would try Malco Leather and vinyl cleaner, if that does not work you could try oxyclean mixed in water. malco leather and vinyl cleaner usually takes out most stains on vinyl. If it is on the fiberglass portion of the seat, try FSR(Fiberglass sta...