Functions Glasses are the main protectors designed to protect the eyes from liquid or chemical splash, irritating fogs, vapors and vapours. They form a protective seal around the eyes, and prevent objects or liquids from entering below or around the glasses. Anti-fog Laboratory Protective Lab for Wide Power Supply, Eye Protection for Classroom Lab, Home and Workplace Safety Safety Google Chemical Splash and Shockproof Perch Clear Transparent Anti-fog/Anti-scratch Safety Glasses Adjustable head belt: Elastic band design for easier attachment of the head circumference. It has a wide space, and it is suitable for various head districts. The glasses have light lenses of the light plan, thin glasses mounted in a molded frame with side shields