Features of Disposable Face Mask : Prevents skin irritation, Bacteria filtration efficiency for single ply 80%, for double ply : 85% & for three ply : 97% pleated for full face coverage, adjustable pvc coated aluminium nose clip and soft thread elastic ear bands or lace, filters dust particles size upto 4 microns, sonic sealing & proper placement of folds. Cool & breathable, lint Free. 1 box contain 50 pieces 1 carton contain 40 boxes 20ft container can contain up to 480 cartons (960.000 pieces) 40ft container can contain up to 1008 cartons (2.008.000 pieces)