The model Sekura is a foldable N95 respirator approved by NIOSH. This respirator is for non-medical use. This pack contains 2 boxes with 20 masks per box. Foldable respirator Latex-free Medium/large Staple-free Lightweight construction NIOSH 95 approved Adjustable nose clips and overhead straps Makrite Sekura 40-Pack N95 NIOSH Foldable Respiratory Mask