Brief OverviewThis face mask is a 4-ply premium medical grade face mask. The face mask is made with melt blown filter fabric with ?98% BFE (Bacterial Filtration Efficiency) and ?96% PFE (Particle Filtration Efficiency), which works to block out bacteria, pollution, pollen and dust particles from your surroundings.This Premium series is ultra-soft and is especially suitable for those who have sensitive skin.Our mask is customised (175mm x 95mm) to fit the Asian facial structure and to provide users with a better fit and added comfort for long wear. The earloops are also ultra gentle for maximum comfort. Perfect for daily protection for both work and play.