Surgical mask for children's medical use Type IIR Manufacturer's model: TQM05 BFE? 99% Non-sterile mask Dimensions: 14.5 * 9cm (+ -1cm) Mask defined by EN 14683: 2019 + AC: 2019 type IIR Indications: Product for personal use, disposable and non-reusable. Latex-free Recommended time of use 4 hours . Materials: Three-layer structure with moldable aluminum nose strip. Spunbound polypropylene (inner and outer layer). Meltblown filter.