Materials                       
 Out layer: HDPE Film(1st filtration)                       
 Middle layer: Polypropylene Filter(2nd filtration)                       
 In layer: PET/PP mixed non-woven                       
 Ear Band: TPU                       
                                                                               
Features                       
 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                       
                       
Using best fit materials required by each part to achieve comfortability, good air permeability and filtration.                        
                       
All materials used have been passed a skin trouble test with the mark of "Negligible".                        
                       

By 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."                       
                       
To minimize skin trouble, attach the ear bands onto the front side of the Mask.