1. Non Medical and Disposable
2. 5 Plys. Outer layer is 50g Non Woven Fabric, 2nd and 3rd layers are 25g Melton Blown Fabric, 4th layer is 50g hot air cotton, 5th layer is 25g skin-friendly Non Woven Fabric
3. Primium Melton Blown which Filtration Efficency reach 99% above
4.Up to GB2626-2006 Standard, 2 Testing report have been done by Recognized Testing Labs
5. Foldbale, With Inner metal bar, Robust Earloop