€¢A biodegradable, non toxic RV and boat black streak remover cleaner degreaser. €¢Now you can remove black streaks and stains from RV, campers, boats and trailers with ease. €¢Just spray it on a cloth or brush and wipe it on and wipe it off, it really is that simple. €¢Also a multi purpose cleaner degreaser that cleans soils and marks with a minimum effort on a wide variety of hard surfaces. €¢After cleaning it leaves surfaces streak free. No need to rinse and surface is residue free. €¢Excellent for a number of jobs around the house, garage and business as well: cleaning vinyl and aluminum siding, gutters and eves, engine and garage cleaning and degreasing, cleaning parts and tools and more.