... -woven Certificate: CE highly efficient low resistance 4 Ply Nonwoven Mask-Soft, lightweight-Hygienic, Non-irritating to skin, Odorless, and Easier ... -Perfect fitting: Adjustable inner and outer nosepiece, suitable to any face and ensure comfortable wearing-Level: FFP1/FFP2/FFP3/N95-High ... industry, manufacturing, processing, environmental sterilizing, and so on. Nonwoven Safety Mask