Mothers Plastic Polish 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. Works great on headlights and taillights. Made in the USA.