Necessary and practical: just 1 piece car effervescent tablet and 4 liters of water, you will get 4 liters of car windshield glass concentrated washer for you to clean and lubricate windshield, which can reduce the friction of wiper and glass, keep your car windshield in neat and good working condition Mini dimension: each glass concentrated washer tablet measures approx. 0.63 inch/ 1.6 cm in diameter, its mini dimensions make it lightweight and portable, easy to carry and store, won't occupy extra spaces Functional usages: our practical glass solid wiper cleaning tablets can help to clean automotive glass, kitchen, window, tile, mirror and so on, they are also suitable for remove the kitchen and floor stains, bring you a comfortable living surrounding No Traces/Damage - This car clean washer tablet does not cause damage to the glass surface, helping to maintain the car windshield protective film,which can soften the wiper and reduce noise. It leaves no trace or reflection for more visibility and safety. Clean window and safe driving. CUSTOMER SERVICE: We always want to provide better customer service and shopping experience for our customers. Please feel freely to contact us if any issue about our products, we will provide services in 24 hours. Features: 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 Size: Each piece is 16mm in diameter Package Included: 100 pieces Car windshield glass tablets