200 PCS-Car Windshield Washer Tablets, Glass Cleaner, Concentrated Effervescent Tablets, Solid Windshield Effervescent Wiper Tablet for Car Window Glass Cleaning. Easy to use: You just need to put car windshield washer tablets into the water tank, then pour water into the tank, wait for 15 to 20 minutes, and then you can start cleaning your windshield.
