Name: welding protective glasses Material: frame plastic, lens polycarbonate (PC) Suitable for: industrial welding, working people in workshops, working environment with strong light, outdoor activities, labor insurance, military, construction, field work, etc.! Note: The glasses are made of polymer materials. It is strictly forbidden to scratch the surface with hard objects. Please rinse with neutral detergent and water, and then wipe with lens cloth. Glasses description: 1. Adopting the design of full-enclosed and anti-leakage lens frame, which can block harmful light from entering the eyes. 2. With side lens, it also has the function of filtering light, and at the same time, it can ensure a wide field of vision, which can block particles, sand and dust from the side. 3. Professional anti-fog treatment, less affected by temperature difference, suitable for use in cold weather areas 4. The lens polarization efficiency index is not less than 99%. 5. The mercury-enhanced coating can block harmful light such as UVA and UVB.