Feature1. brand new and high quality2.Suitable for Windscreen Wiper Cleaning 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 water1.materialEffervescent tablet2.colorAs the pictures shown3.sizeas the picture showsPackage include:10pcsNote:Please allow minor error due to manual measurement.The colors may be a little difference for the different monitor display.