Thetford 32511 Premium RV Black Streak and Bug Remover - 1 Gallon [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, and won't harm the seals around windows [Convenience]: Easy-to-use spray &amp; wipe formula [Utility]: Safe for gel-coats, fiberglass, painted aluminum and decals, it is perfect to use with any RV