Art Noir earloop face masks meet the ASTM F2100-11 requirements as Performance Level 2 Barrier medical face mask. The inner layer touching the wearer’s face is a unique material that is ultra soft and very comfortable on the skin. These face masks are 100% latex free and fiber glass free. The nose piece is metal to conform to wearer’s face for a comfortable fit.. Level 2 Barrier medical face mask Unique 3 ply, 4-fold design Color: Black 100% latex free and fiber glass free 50 pcs per box, 10 boxes per case