High temperature resistant PC material, high toughness, anti-splash, non-stick welding slag, non-deformation.One-piece structure design, fit the face, full face longer and wider, and the new double-sided flap design, 180 degrees large view, can be used with the safety helmet, truly all-round protections.Heat insulation facemask, with wide applications, it can blocks arc light, infrared light, ultraviolet and other harmful lights, and also blocks welding slags, avoids high temperature burns, protects your face and say goodbye to arc light hazards.Wearable design, the overall weight of the product is about 120g / 130g, compared to the traditional heavy handheld facemask to wear light and comfortable, free your hands, safer and more reliable.External glasses can be folded 90° to meet different scenarios and different needs.Two-layer: welding protections, for argon arc welding strong arc light source when the outer glasses should be covered down, two-layer can cope with argon welding arc light, to avoids arc welding glares hurt your eyes.