1. USA FDA510K approved2. EN14683 TYPE II, TYPE IIR surgical masks3. High 99% BFE and low breathing resistance for protection against airborne particles.4. Unique surface water resistance and soft lining, non-irritating and glass fiber free.5. size: 17.5 Ã 9.0cm, 17.5 Ã 9.5cm(Adult) / 14.5 Ã 9.0cm(Child).