Size:17.5*9.5cm .100% latex free, engineered with 3-ply spun bound fabric that provides comfort, filtration and excellent breathability. Our face masks pleats cover nose, mouth and chin for full protection. Its fiberglass free filter material employs a particular filtration efficiency of BFE+99% at 1.0micron. Soft aluminium nosepiece maintains shape when formed to face and fully enclosed for comfort. 50 masks per pack. Colour: Blue