Features:1. No mess fuss or special tools needs; youll have crystal clear fogless eyeglass lenses in seconds.2. Long lasting. One quick application will last for days3. Safe formulas effective antifogging.4. Universal. Applicable for swim goggles goggles glasses snorkel mask ski masks etc.5. Helps you see life through a much clearer lens.Notice:1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow minor deviation due to manual measurement.2. Objects may have Logo if you want to know please contact us. If you mind please do not bid.Specification:Type: anti-fog agent for goggle glassesNet content: 20mlMain use: Anti-fogScope of application: lens fogging caused by wearing a maskMain formulas: anti-fog agent surfactant card pine purified water essence.Instructions:Step 1: Clean the inner surface of the glasses and keep them dry.Step 2: Apply a thin layer of anti-fog liquid to the inner mirror surface of the swimming goggles. Apply evenly (do not need to apply a lot you can squeezes the anti-fog first and then let the sponge head face up and the inner side of the swimming goggles face down so you can avoid bubbles in this way)Step 3: Wait for the anti-fog agent to dry before using it. Wet the endoscope surface with water before swimming (because the anti-fog agent is hydrophilic). includes: 1 x anti-fog agent"