USA FDA510K approved 
EN14683 TYPE II, TYPE IIR surgical mask 
High 99% BFE and low breathing resistance for protection against airborne particles 
Unique surface water resistance and soft lining, non-irritating and glass fiber free. 
size: 17.5 × 9.0cm(Adult) / 14.5 × 9.0cm(Child)
1. Size: 17.5 × 9.0cm(Adult) / 14.5 × 9.0cm(Child)
2. packing: 50PCS/BAG/BOX, 40BOX/CTN