This anti-fog spray is scientifically efficient and can automatically and quickly form an anti-fog film on the glass surface, enhancing visibility at night and in wet weather and improving driver safety.Apply a small amount of spray to the sides of a clean lens or surface. Apply evenly to the entire surface in circular motions with your fingers and let sit for about 1 minute. Gently wipe with a dry soft cloth to remove streaks. Let it dry completely before use.Name: glass anti-fogging sprayNet content: 100MLShelf life: 3 yearsStatus: LiquidFeatures: Glass anti-fog, windshield rearview mirror does not fog1* Glass anti-fog spray