... Made with multi-layered nonpoisonous, non-allergic, non-stimulating materials.3. Adjust the bandage strip and the built-in bandage foam ... face-shapes with comfortable sealing.4. The high-efficient and strong electrostatic filtering materials effectively filter the solid particle dust, and ... from heavy metal.face mask, flat mask, 2 ply mask, 3 ply mask, N95 mask, FFP1 Mask, FFP2 maskDisposable mask, Non ...