Features:1. Safety glasses with classic flip-up styling keep eyes safe on-duty.2. Shaded lens flips up and lowers for protection against high-intensity light sources.3. Glasses are lightweight, designed to be comfortable for long-wear. 4. Outer layer is a single chip filter, inner is polycarbonate window, double protection to weaken the impact harm of high speed particle.5. Suitable for electric welder, welding auxiliary worker and so on.Specifications:Material: PCLight Transmittance: 99%Color: BlackTemples Length: Approx. 14.3cm / 5.63inchGlass Width: Approx. 5.3cm / 2.08inchWeight: Approx. 46gPackage Included:1 x Flip Safety Glasses