Products disposable face mask with ear loop Material Polypropylene fabric+Melt-blown fabric+Polypropylene fabric. BFE 99%;BFE 95% Size: 17.5*9.5cm(for adult use) 14.5*9.5cm(for children use) Package:50pcs/bag,40bags/carton technical process: hand-sewn / gowns full heat Application :used in medical, food, electronics and other industries as health protective products, using high-grade filte layer materials, it can filter more than 95% of bacteria, dust, harmful gases, meet the exporting quality standard. Certificate: NELSON test BFE> 95% Passed ISO9001: 2000, CE certification EN14683TYPE I & TYPE II, IV test