Facemask 3 Ply with BFE 98% . Comprising 3 layers: 1.Outer layer made of non woven polypropylene spunbond. 2.Middle layer made of meltblown air filter media, a highly effective bacterial filter with low pressure drop to make breathing easier and minimize spectacle fooging 3.Inner layer (as outer layer) made of non woven polypropylene spunbond.Mask has a soft aluminium strip bent to fit comfortably over the nose and comes with two elastic loop / band for both ears. Size: width 175 mm, height 95 mm Shelf life: 2 years from manufacturing date Available in soft blue, green and white Packing : 50 PCS./INNER 40 INNER/CARTON ( 2,000 4I/CARTON) INNER SIZE 10*8.5*18 CM. CARTON SIZE 37*52*37 CM. NW: 7.2 Kgs. GW: 7.6 Kgs