Hygienic Triple-layer Mask with Heat-sealed Finish, Elastic Fastening & Adaptable Nose Clip for a Tight Fit. Outer & Inner Layers Made of Non-woven (polypropylene). Intermediate Layer in Meltblown (composed of 90% Polypropylene & 10% Viscose). Presented in an Individual Bag. Face Mask Equivalen to Surgical Mask Type Iir, with Bacterial Filtration Efficiency (bfe) = 98% & Breathability (pa & Cm2) < 60, According to Standard En 14683:2019+ac:2019, Issued by Credited Laboratories. Non-reusable. Colours: White. Minimum Quantities Apply.