Protect against impact,chemical splash,hard coating,UV coating, etc, Fits over personal spectacles; Flip design with open-close locking positioning, easy to use.Flexible PVC body, indirect ventilation design.Inner lenses are clear, outer lenses adopt colored inorganic glass.Adapt to safeguard in gas welding, brazing, gas cutting, etc.Protection Grade:5th Grade.Similar items: Welding Goggles