Features High efficiency lubrication, reduce friction, eliminate window lifting noise. Application method 1.Wipe the window clean. 2.Spray the product on the gap of car windows. 3.Lift the window several times to distribute the product evenly. 4.Wipe it off with a towel again. Caution Water:Keep away from fireworks and children. If inhaled, please seek medical advice immediately. Aerosol: 1. Do not use it upside down, and use it in a well-ventilated environment. 2. Try to wear gloves and protective glasses during operation. 3. This product is flammable, keep it away from high temperature fire source, stored in a cool and ventilated place.