Star brite Instant Black Streak & Stain Remover Spray 22 oz. Size: 22oz, Quickly removes black streaks caused by water run off Safe for Use on fiberglass, metal and painted surfaces Will not Remove wax or polish Spray directly onto black streaks and wipe off; no hard scrubbing needed Hundreds of uses; will Instantly Remove stains and marks on boats, cars, caravans and around the house