The model SEKURA-N95 is a foldable N95 respirator approved by NIOSH. This respirator is for non-medical use. This pack contains 12 boxes with 20 masks per box. Foldable respirator Latex-free Medium/large Staple-free Lightweight construction promotes greater worker acceptance NIOSH 95 approved Foam Anti-Fog Nose Pads Adjustable nose clips and Overhead Straps Makrite Sekura-N95 Disposable Medium/Large All-Purpose Safety Mask - 240-Pack