Summary Economical and Affordable - 1 tablet = 4 liter windscreen washer fluid.This product will help you to save a large amount compared to the purchase of traditional washer fluid.The surface of the effervescent tablet is densely covered with fine pores, which dissolves quickly without residue. Excellent Effect - Easy to apply glass treatment to repel rain, sleet and snow.Helps easily remove frost, ice, salt mud and bugs.Provides streak-free cleaning to improve visibility and driving comfort. Easy to Carry - Traditional glass water is bottled, which is inconvenient to store in large quantities. The effervescent tablets are individually packaged, small and light, can be stored anywhere in the car, and can be used for a long time without worrying about insufficient glass water. Easy to Use - You need to put 1 piece glass solid wiper cleaning tablet into the wiper can and pour proper amount of water, or you could dissolve the tablet with a small container, then pour the dissolved cleaning fluid into the wiper can and fill it with water, which could dissolve more quickly and thoroughly Wide Range of Use - Suitable for use on external glass surfaces including mirrors, side windows, front and back windscreens.Our multi-functional effervescent tablet is also designed to replace your mirror cleaner, kitchen cleaner, window cleaner, tile cleaner, etc. Specification: Size: approx 0.6 inch/ 1.5 cm in diameter Color: blue Temperature requirements: over than minus 5 degree Celsius Package content: 100 x Solid Car Effervescent Tablets Note: 1.Small and inedible products, please keep away from children and pets. 2.Not suitable for eye contact or long-term skin contact. 3.The colors may exist slight difference due to different screens.