... : Non-woven highly efficient low resistance 3 Ply Welding Mask-Soft, lightweight-Hygienic, Non-irritating to skin-Later free ... superior quality-OEM production acceptable -Applications: Suited to many kinds of dangerous workplaces such as mining, building, grinding drugs, casting, agriculture ... , disintegration, carving, heavy metal pollution, gardening, glass industry and etc. Welding Mask