This 4-Ply Photocatalyst Mask is made from fine quality non-woven fabric and has a band that makes it easy to wear. Our photocatalyst mask is broadly demanded in the clinics, hospital and other medical institutions. Doctors wear this assortment while surgery and other treatment to offer proper safety from bacteria and germs. This 4-Ply photocatalyst mask is appreciated for eco-friendly nature, tear resistant nature and bacteria filtration efficiency.