Description:Clean and decontaminate, reduce the friction between the wiper and the glass, and protect it.Instructions for use:This product is suitable for above zero degrees Celsius. Open the hood of the car, find the wiper, 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 tanks, it is a piece of water, which can replace and be superior to traditional glass water!Specification:State:solidSpecification:Diameter 1.8cm*Thickness 0.5cmShelf life:3 yearsProduction date: see independent packaging sealUse range: above 0℃Usage: direct use or diluted useSuggestion: one piece to 4 liters of waterContains:as the pictureAlert: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.