... non-woven, carbon, filter and needle puched.Made with nonpoisonous, non-allergic and non-simulating materials, low ... convenient and practical.Applications of face mask with elastic bandRubber, synthetic fur, metal casting, battery, building materials, chemical ... industries, automobile manufacturing, etc. Item name face mask with elastic bandItem No. CFD3001TFLayer 4plyColor blackPacking 20pcs/box. ...