Thetford Premium RV Black Streak and Bug Remover - Black Streak Cleaner for RVs/Boats / Cars/Trucks / Vans/Motorcycles - 32 oz 32501 [VERSATILITY]: Premium RV Black Streak and Bug Remover works on cars, trucks, vans, RVs, motorcycles, or boats [PERFORMANCE]: Effectively removes black streaks, bugs and other tough stains [SAFETY]: Black Streak and Bug Remover is nontoxic, nonflammable, 100% biodegradable, and won't harm the seals around windows [CONVENIENCE]: Easy-to-use spray & wipe formula [UTILITY]: Safe for gel-coats, fiberglass, painted aluminum and decals, it is perfect to use with any RV