... Free of maintenance; 4) Against dust. reusable face mask Features of reusable face maskNon-woven fabric: Pp non-woven, carbon, ... It’s very convenient and practical. Applications of reusable face maskRubber, synthetic fur, metal casting, battery, building ... paint industries, automobile manufacturing, etc. Item name reusable face maskItem No. CFD3001FLayer 3plyColor WhitePacking 20pcs/box. 40boxes/ ...