Description Outer Blue Non-Woven Fabric: Polypropylene Spunbond Middle Filtering Material: High-Efficiency Melt-Blown Fabric Inner White Non-Woven Fabric: Polypropylene Spunbond Malleable PVC/PE coated aluminum nose-clip prevents air leakage The round elastic band made from spandex and polyester ensures comfort wearing Effectively blocking droplets and reduce inhalation of particles Bacteria/Particle/Viral Filtration Efficiency (> 99%, > 95%) Ideal for Hospitals, Laboratories, Public and Transport Areas. Packing in PP Bags and Box
