Yellow medical grade EFB≥99% Type II surgical masks, three layers of protection, single use 3 ply, suitable for sensitive skin, very breathable and very comfortable. The elastics are soft, latex free and strong. The nose bar is double, easily adjustable. Standard CE EN 14683: 2019 - FDA - Unise taïwanaise ISO 9001. Box of 50 masks, one zip-closing bag Free.