Star brite Instant Black Streak Remover Gel Formula delivers powerful, fast-acting cleaning performance for boats, RVs, trailers, and more. Its clinging gel formula stays in place to penetrate and lift stubborn black streaks from fiberglass, vinyl, metal, plastic, and painted surfaces. Simply spray on, allow it to work, then wipe or rinse clean—no heavy scrubbing required. Ideal for restoring surfaces and maintaining a clean, well-kept appearance with minimal effort.