Fully dissolve without residue: This windshield wiper fluid tablet adopts the dissolving method of effervescent tablet. It needs to be put into water and it will dissolve on its own, without producing sediment and impurities, ensuring that the water spout will not be blocked, you can rest assured use Super strong cleaning ability: This windshield fluid tablets can effectively remove the dirt on the windshield, ensuring that the windshield is always kept clean and tidy, and the super lubricating effect can also better reduce the wear and tear of the wiper, of course, you can also use it cleaning kitchen, bathroom or home windows and floors More convenient to use: Each windshield washer fluid concentrate tablets is 0.63 inches in diameter, you can safely put it directly into the wiper can, then pour in the water, wait for about 10 minutes to fully dissolve and use, or you can put it directly It is very convenient to let it dissolve in the container and then pour it into the wiper can Precautions: This car window washer fluid tablet is not suitable for cold winter. If you need to use this windshield washer tablets in winter, please add antifreeze to use it together. Please put it in a place that children are not easy to catch to prevent children from eating it as candy. If it gets into your eyes , please rinse immediately with water CUSTOMER SERVICE: We always want to provide better customer service and shopping experience for our customers. Please feel freely to if any issue about our products, we will provide services in 24 hours. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.