Hygienic triple-layer mask with heat-sealed finish, elastic fastening and adaptable nose clip for a tight fit. Outer and inner layers made of Non-Woven (Polypropylene). Intermediate layer in Meltblown (Composed of 90% polypropylene and 10% viscose). Face mask equivalen to surgical mask type IIR, with bacterial filtration efficiency (BFE) 98% and breathability (pa/cm2) < 60, according to Standard EN 14683:2019+AC:2019, issued by credited laboratories. Non-reusable.