1 pcs Mask.Made in China. NIOSH certified for at least 95 percent filtration efficiency against certain non-oil-based particlesDual-point welded structure helps secure sealingCushioning nose foamLightweight construction encourages worker tolerance and may help to increase wear time. Lightweight construction promotes greater worker acceptance and may help increase wear timeAdvanced breathable electrostatic mediaThis classic reusable N95 particulate respirator is built to provide convenient, effective respiratory security for staff against certain non-oil-based particles.