Thetford 32631 Black Streak Remover - 32 OunceBlack Streak Remover; Use To Remove Black Streaks Bugs And Other Tough Soils On Gel Coat Surface Fiberglass Painted Aluminum; 32 Ounce Spray Bottle; Single; With Bilingual Package These Professional Strength Products Make Older RVs Look New, And New RVs Look Even Better. Each Product Is Specially Formulated For A Specific Job And Is Quick And Easy To Use. Unit Size: 32 Ounce Unit Type: Spray Bottle Unit Quantity: Single Packaging Language: English