All-in-One Vinyl Convertible Top Kit contains both the 303 Convertible Top Cleaner AND the 303 Aerospace Protectant - Everything You Need to Keep Your Tops Looking Like New. 303 Convertible Top Cleaner is extremely effective and extremely safe and leaves no residue like most cleaners. Aerospace Protectant adds years to the life of your vinyl top. Specifically developed for aerospace and aviation applications. Regular use of 303 Aerospace Protectant provides 100 Percent prevention of UV caused slow-fade. It truly is like "SPF 40 Sunscreen for your Stuff."