Abundant for you: you will get a total of 100 pieces of solid concentrated washer fluid cleaning tablets, the abundant quantity can satisfy your long-term needs, you can also share with your families or friends Necessary and practical: just 1 piece of car effervescent tablet and 4 liters of water, you will get 4 liters of concentrated washer fluid for car windshield to clean and lubricate the windshield, which can reduce the friction between the wiper and the glass, keep your car window in neat and good condition How to apply: you need to put 1 piece of solid glass cleaning tablet into the wiper reservoir and pour in the right amount of water, or you can dissolve the tablet with a small container, then pour the dissolved cleaning fluid into the wiper reservoir and fill it with water, which can dissolve faster and more thoroughly Mini dimension: each concentrated glass cleaning tablet measures approx. 1.5cm in diameter, its mini dimensions make it lightweight and portable, easy to carry and store, does not take up extra space Functional uses: our practical solid glass cleaning tablets can help clean car glass, kitchen, windows, tiles, mirrors and so on, they are also suitable for removing kitchen and floor stains, giving you a comfortable living environment.