Windshield Stain Remover, Rainproof Cleaning Car Coating Agent Introduction: Enhance your driving experience with the Windshield Stain Remover, Rainproof Cleaning Car Coating Agent, specially designed for automotive glass. It effectively removes stains, water spots, and insect residue, forming a powerful protective layer that resists rain and dirt, improving visibility. Simple to use, just spray and wipe to enjoy long-lasting waterproof effects and ensure driving safety. In any weather, you can keep your windshield clean and clear, making it an excellent choice for car maintenance.