ITEM NAME:Coating Anti-fog Agent Car Glass Hydrophobic Waterproof Rainproof Cleaner 20ML.Car Auto Glass Nano Hydrophobic Coating Waterproof Agent. Capacity: 20ml (Approx.). How to use Spray the Nano Hydrophobic Coating evenly on the surface, until surface get wet. Use sponge or polishing cloth to wipe dry the Nano Hydrophobic Coating when on glass and wait to dry when on Clothes, it is best to high temperature to dry.