303 Marine/Recreational Clear Vinyl Protective Cleaner brings industry-leading power that can safely clean and protect against yellowing and cracking of vinyl and clear vinyl. Safe for use on vinyl windows like Strataglass and Eisenglass, this easy-to-use 303 marine cleaner goes on quick and leaves a streak-free finish. Unlike ordinary boat cleaners that leave residue, 303 Marine/Recreational Clear Vinyl Protective Cleaner leaves only proven UV protection. 32 fl. oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Clear. Type: Cleaning & Protectant.