PACIFIC Welding Safety Glasses, Wrap-around Safety Welding Lens, Anti-scratch Safety Glasses, UV Protection, Protective Glasses, ANSI/ISEA & MCEPS Compliant, IR Shade 5: These welding safety glasses made of high quality polycarbonate material, light weight, will not put pressure on the bridge of the nose, the transparent surface is not easy to scratch, easy to clean, and can be washed directly, giving you a comfortable wearing experience. : Our welding glasses are warp around frame design which provides an extended peripheral view. The surface of the lens is strengthened, resistant to impact and not easy to scratch.