N95 NIOSH APPROVED Small (6-Bx/20) NIOSH approved Naturally contoured and designed to fit comfortably Outer poly mesh holds shape while soft absorbent inner lining comforts Type N95 Flat-Fold/ 3-Panel Fluid Resistant White The 1870 incorporates a 3M-patented flat-fold/three-panel design that gives it a comfortable fit The 3M respirators include a soft inner shell for greater comfort against the face