Function： Anti fog Improves driving visibility Long lasting Easy to use Specification： 50 ml / 1.7 fl.oz 100 ml / 3.4 fl.oz 300ml / 10 fl.oz Product details: Hydrophilic anti-fog. This product can form a special hydrophilic coating on the glass, which can effectively inhibit the glass from fogging. Clear vision and safe driving. Rainy and cold weather will cause fogging of the front and side windshields, which may easily cause traffic accidents. The HGKJ GLASS ANTI FOG can avoid fogging and ensure safe driving. Long-lasting anti-fog: ordinary anti-fog products only have a few days of anti-fog time. If you strictly follow our method of use, we will provide you with at least 1-3 months of anti-fog time. EASY TO USE: Don't worry about complicated methods of use, and don't worry about leaving water streaks, just spray and wipe. Hydrophilic anti-fog. This product can form a special hydrophilic coating on the glass, which can effectively inhibit the glass from fogging. Long-lasting anti-fog: ordinary anti-fog products only have a few days of anti-fog time. If you strictly follow our method of use, we will provide you with at least 1-3 months of anti-fog time. TIPS FOR USING: 1.Clean the glass and wipe dry. 2.Spray the HGKJ GLASS ANTI FOG on the glasses cloth, please do not spray it directly on the glass. 3.Wipe it evenly and slowly on the glass and wait for it to dry. NOTE: 1.Wipe evenly and slowly without leaving water streaks. 2.Do not touch the anti-fog coating with your hands or towel, it will damage the anti-fog coating. ATTENTION: Do not drink! If get in eyes, please wash with plenty of water or go to hospital. Keep out of reach of children and animal.