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 with equivalence to surgical mask type IIR, certified by INTERTEK and SGS accredited laboratories, with results of bacterial filtration efficiency (BFE) ≥ 98% and breathability (pa/cm2) < 60, according to standard EN 14683:2019+AC:2019. Non-reusable.