Stay protected by these quality face masks against harmful particles. The three-ply fabric is designed to promote exceptional .05 micron filtration. It is also important that the effectiveness of the mask is improved by the slim wire which fits snugly over the nose. Type: 3 layers with earloop and nose bar adjustable fit Breathable mid-layer with high filtration Fluid-resistant outer layer Ultra-soft inner lining Colour: Light blue Hypoallergenic for sensitive skin BFE: 99.4 % of Bacterial Filtration Efficiency PFE 0.1u > 99% FDA Approved Size: One-Size Latex-free Non-sterile What's in the box 50 x individually wrapped masks