Cleanroom face mask

â—ˆMaterials                       ã†Out layer: HDPE Film(1st filtration)                       ã†Middle layer: Polypropylene Filter(2nd filtration)                       ã†In layer: PET/PP mixed non-woven                       ã†Ear Band: TPU                                                                                                            â—ˆFeatures                       ã†Adopting unique design                          - Using HDPE film in out layer                          - Using TPU ear bands                          - Making bigger size(9cm x 23cm)                          - Attaching ear bands onto the front side of the Mask                                              ã†Using best fit materials required by each part to achieve comfortability, good air permeability and filtration.                                               ã† All materials used have been passed a skin trouble test with the mark of "Negligible".                                               "ㆍBy using Polypropylene filter, which has high efficient filtering performance with good air permeability, as a middle     layer, our CleanRoom Face Mask provides excellent comfortability to users."                                              ã†To minimize skin trouble, attach the ear bands onto the front side of the Mask.