Protective Eyewear- Gives Protection from Splashes and dust particles. Anti Scratch Coating. Adjustable head strap elastic. Indirect Air vents to prevent sweating. Made in India. The Steelbird Eye Protection Glasses with Clear Lens, Transparent can be washed with solvent with soft hands. Hard rubbing can harm the lens. It is recommended to clean or dry the lens with a soft microfiber cloth to prevent scratches on the lens. The lens is made of Polycarbonate which has excellent visibility The Goggle is made of super-soft plastic to ensure user comfort while wearing for a long duration. It is soft and bendable, comfortable to wear, no pressure feeling on the edge to avoid discomfort while Work. The adjustable head strap elastic band is designed to ensure to cover all head size circumferences. Users can easily make it properly fit according to their head size. The size of Steelbird Eye Protection Glasses can be easily worn on daily wear Spectacle / Glasses. Its size easily accommodated accordingly. Best use for medical purpose