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 comprehensiveprotection 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. Delivery Quantity: 30pcs Package Contents: Only the above package contents, excluding other products. Size: Each piece is about 1 cm in diameter (Reminder: The size is measured manually, please allow 1-2 cm measurement error) color: blue (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.) Products from WUZHOU's store