Cautions of Anti-fog Function: 1. Don't scrape the inside anti-fog layer. 2. Anti-fog layer is hydrophilic and works when wetting. 3. Anti-fog effect varies depending on different water quality and skin type. 4. Goggles have limited anti-fog service life, suitable antifogging agent will extend the service life. Cautions of Maintainance 1. Keep goggles far away from dust and greasy dirt for better effect. 2. Goggles shall be cleaned with clear water, placed for natural drying and stored at dark place. 3. Goggles can't be placed under the blazing sun or high temperature too long.
