Formulated to dissolve quickly and work fast to remove road film, bugs, dirt and grime. CleanPro Washer Tabs increase your washer fluid's cleaning power. Each Tab is individually wrapped for durability!. Save space getting rid of this old fashion Hugh gallons and liquid formulas that can only clog your system! Easy to use, Just drop 1/2 to 1 tablet in reservoir of clean water or add tablet to a gallon of water. If desired, just add the right amount of tabs to a gallon or drum. Leaves windshields sparkling !!