Quantity - Totally 20Pcs windscreen washer tablets in each package. Efficient - Quickly dissolve and no residue. Strong detergency, the effect of one screen wash tablet is equivalent to 4 liter windshield washer fluid. Portable - Contrast to a bottle of car screen washer fluid, the screen wash tablet for car is lightweight, it does not take up too much space, and solid for easy storage. Multifunctional - The concentrated screenwash tablet can not only be used to clean car glass, but also used in household items, furniture, etc. in daily life. Of course, it can also be used to clean the car body, which is not only strong in decontamination, but also does not damage the car. Attention - Avoid being used as edible candy. Please store it away from children and pets!!! - Avoid direct skin contact with the soaking liquid, if you accidentally touch it, seek medical attention as soon as possible!!! Note - 1 tabblet 4L is the way of summer use and does not prevent water from freezing in the tank during winter. The temperature requirement needs to be higher than -5(23). It's better to mix with an antifreeze agent to improve cleaning performance in winter. Causes serious eye irritation. Causes skin irritation.