It can effectively prevent the petard, welding slag, dust and other objects invasion to burnthe neck and face. The lens with flip-open cover avoids frequent putting on/off to check welding point's position, which makes welding work more convenient and safer. The mask adopts premium material and sponge viewing ares frame, solid, sweat absorption, heatresistant, breathable, very comfortable to wear. With the hook&loop on masks back for quick convenient wearing and size adjustment accessory to provide full protection for welding workers, Manufacturer: CFWWSAQ