100% PolypropyleneMedical disposable mask with 3 protective layers (non-woven Spunbond-Meltblown-Spunbond fabric)Inner layer absorbs moistureMiddle layer filters as a barrier against germsOuter layer is hydrophobic and protectsFull plastic nose clip, flexible ear loopSkin friendly, breathableBacterial filtration efficiency ≥ 95% (BFE)Conforms to EN 14683:2019+AC:2019 classified as type IMade in EUSold in units of 50 (e.g. if you need 100 masks please order 2 sales units)Non-returnable