Prestone De-Icer Windshield Washer Fluid is engineered to quickly remove light ice and frost and to provide -27 degree Fahrenheit deep freeze protection. Made from a concentrated, high-performance, ice-melting formula that quickly melts ice and helps reduce dangerous refreezeConvenient ice scraper top helps clear icy windshieldsConcentrated formula helps you minimize winter windshield scrapingMelts ice fast