【product selling point】:In addition to dust automotive glass in addition to dust includes insects sludge asphalt salt and alkali tree sticks fingerprints soot plastic volatiles and so on. This product is a high-performance cleaning agent. It is directly mixed with clean water and added to the wiper kettle. It is very convenient to use and can easily remove the glass oil film and insect traces. This product has a lubricating effect on the wiper rubber skin and has anti-aging function to maintain flexibility and prolong its service life. This product is suitable for daily cleaning and care of all kinds of imported and domestic high-class cars. 【Instructions】:One bubble tablet can be diluted with 3-4L water and the dissolution time is 10-15 minutes. It is recommended to use up the diluted water within two months 【Installation suggestion】:This product is suitable for above zero degrees Celsius. Open the hood of the car find the wiper tank fill the tank with water add a piece of wiper (if the glass is too dirty it is recommended to add 2 pieces) wait for 5 minutes and then use it normally. A piece of conventional water can be exchanged with 4L of water. According to the normal volume of the liquid storage tank it is a piece of water which can replace and be superior to traditional glass water! 【common problem】:This product should be stored in a cool dry place to avoid contact with children. Do not swallow! This product can not be used for antifreeze glass water! Only the cleaning function does not have antifreeze function.