Safe • Particle Filtration Efficiency ≥ 95% • Bacterial Filtration Efficiency ≥ 99% • Five layers of protection • Two non-woven fabric layers • Two meltblown fabric layers • One hot air cotton layer • Non-sterile • Latex-free • Produced in an FDA registered factory Comfortable • Curved shape for easy breathing • Soft ear loops • Adjustable nose bridge strip Easy • Disposable • Lightweight design • Simple to put on and take off