http://www.asbmedical.com/fold....ing-mask/kn95-foldin KN95 Folding Mask Product name: 5-layer disposable protective mask KN95 Product ingredients 29.41% non-woven fabric + 14.71% melt blown fabric + 14.71% melt blown fabric + 26.46% hot air cotton + 14.71% skin-friendly non-woven fabric Five layers of filter protection Add soft non-woven fabric to absorb odor and harmful particles Double layer melt blown fabric, the melt blown fabric layer has high density and plays a key role Hot-air cotton, high bulkiness, good air and water permeability Skin-friendly non-woven fabric, skin-friendly and anti-allergic, filter missing particles