1. Non-woven 2. Soft and non-irritating 3. 5-ply 4. High filtration and easy to breath Features: 1. 5-ply protection,highly breathable 2. Adjustable nosepiece, earloops 3.The higher fluid resistant layer,extra soft.Designed specifically for people with sensitive skin, the better the protection from exposure to blood and splash/spray/spatter. (Fluid resistant layer meet ASTM F1862) 4. Flammability Class 1 5. PFE>99%,BFE>99%,Delta