IMAR STAMOID Marine Vinyl Cleaner #603 is specially formulated to gently but thoroughly clean STAMOID and other vinyl without harming Strataglass or any other clear vinyl if overspray or runoff occurs when used according to the instructions. Frequent use is recommended, particularly in areas of high environmental pollution. Application will assure the continued like-new appearance of your yacht’s vinyl.(Use before IMAR #601 & IMAR #602)