Features: 1. Car effervescent washer not only suitable for cleaning car's glass, but also reduce friction, protect glass surface and extend the service life of wiper blades. Suitable for mirror cleaning, window cleaning and tile cleaning. 2. Put a car windshield clean effervescent tablet into the wiper can, then fill it with water. Or first dissolve the windshield cleaner with a container, then pour the dissolved cleansing water into the wiper jar. 3. This car windshield effervescent tablet can help you a lot, just 1 piece tablet with 4 liters of water, you will get 4 liters of windshield glass washer, giving a cleanup to glass, greatly reducing the friction of the wiper glass, and comprehensive protection to meet your long-term needs. 4. This washer tablet has strong dirt removing performance, can effectively remove the harmful and stagnant dirt even if it is invisible. 5. Its mini dimensions make it lightweight and portable, easy to carry and store, won't occupy extra spaces. Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement * This product should be stored in a cool and dry place, out of reach of children Description: Weight: 3g includes: Choice 1: 1 x Car Effervescent Washer Choice 2: 10 x Car Effervescent Washer Choice 3: 20 x Car Effervescent Washer Choice 4: 40 x Car Effervescent Washer