Made of two layers of non-woven fabric, two layers of melt-blown fabric, one layer of hot air cotton.High level breathing protection, filter efficiency, breathable fabric, suitable for all seasons.High quality elastic ear loops make it comfortable to wear for a long time.Disclaimer: “This KN95 mask is NOT an N95 mask. For more information about KN95 masks please see the following before you purchase: amazon.com/AboutKN95s”KN95 Face Mask 50 PCS, Breathable Protection Masks, Against PM2.5, Filter Efficiency≥95%, 5-Ply KN95 Black Masks, Cup Dust Safety Masks
