Asian HyperProtect masks have been engineered with a 6-layer triple filtration system. Tested as per standards: Asian HyperProtect masks use approved materials specified by the BIS (Bureau of Indian Standards) and tested in Ministry of Textile approved labs. Filtration Efficiency: - 95%+ particle filtration efficiency (PFE) for over 0.3 micron sized particles - 95%+ bacteria filtration efficieny (BFE) for over 3 micron sized bacteria - Splash resistant: Provides protection against sneeze/cough droplets from reaching user's skin. Designed for all weathers: Asian masks are made using breathable fabrics which make them perfect for all conditions - summer, winters, rainy, etc. Fabric used provide just enough air movement to reduce the heat build up and the ergonomic design provides a comfortable fit. . Ideal for women