Mothers® Plastic Polish will clean, shine and protect with crystal clarity. This is a genuine polish for buffing out hairline scratches, smudges, oxidation, flaws and little nicks, as well as cleaning away stains and yellowing from your plastic convertible top window. Mothers® Plastic Polish doesn’t stop there—it protects your plastics from the sun, smog, water stains and airborne contaminants with a tough layer of polymers.