SV life triple-layer surgical masks, category IIR (the highest), are perfect for daily use. They stand out for their great comfort, as they have very soft and elastic ear loops, so you won't even notice you're wearing them. Malleable and firm metal nose wire for a good nasal fit. High filtration efficiency (BFE) >99% with optimal breathability. The hydrophobic outer layer is resistant to liquid splashes, while the inner layer is made of hypoallergenic material with an extra-soft finish that absorbs moisture from exhaled air and does not irritate the skin. Packed inside a hermetically sealed pouch for maximum hygiene. Masks certified as Class I Medical Device, suitable for medical/hospital use, non-sterile. EU certification according to EN 14683:2019+AC:2019, with CE marking. ISO 13485 certified. Tested by independent laboratories of TÜV Rheinland (Germany) with results far above the required standard. Certificate authenticity verifiable. Size: standard adult (17.5 x 9.5 cm folded). Disposable (not reusable), recommended usage time: 4h. Composition (3 layers): 66% PP non-woven + 34% PP meltblown. Made in China, under supervision and control of a Spanish company.