303 Black Streak Remover will keep the siding of your RV looking like new by removing unsightly black streaks with ease. Black streaks occur naturally when dirt and rubber material from an RV's roof come off after miles of traveling at high speeds. The powerful formula in 303 Black Streak Remover pulls this material and dirt from the surface and allows it to be wiped away, leaving a clean, streak-free finish.• Removes hard-to-clean black streaks and dirt• Leaves a clean, streak-free finish• Biodegradable and marine safe• Great for use on RVs, campers, pop-ups, motorhomes, and boats• Safe on fiberglass, vinyl, metal, and painted surfaces• 32-oz. spray bottle Allows it to be wiped away leaving a clean, streak-free finish Biodegradable & marine safe Use on fiberglass, vinyl, metal, & painted surfaces | 303 Products 303 Black Streak Remover, 32 Oz