... ply Nonwovens Mask 3,BFE>99% 4,CE approval Medical Disposable Spunlace Face Mask SupplyDescription:Disposable medical mask, non-woven medical mask, surgical mask, BFE MIN. 99%, 3 layers, ear loop ... Feature:1) Made of 3ply nonwoven fabric.2) BFE>99%3) Elastic ...