Super-concentrated with 3 times the cleaning power of ordinary wash Each tablet makes 1 gallon of top quality cleanerEasy to use, simply add 1 tablet to 1 gallon of water or drop in reservoir of clean waterDissolves completely to remove bugs, road film, dirt, and grimeLeaves windshields sparkling cleanEconomical solution, 303® Instant Windshield Washer Tablets™ significantly reduce the amount of plastic containers in landfills