NASA Adult Face Mask TRY15.25 Nasa Washable, Protective Dust Face Mask, Double Layered 1 Piece 22x12 cm Mask, Double Layered Breathing is comfortable with it. It is not a medical product. Color: black Model: Face Dust Mask Mold: Standard It is suitable for continuous use. It should be washed at the end of daily use. Domestic Production. It does not cause breathing problems. Face, mouth, nose concealer. It is not a medical product. It is not used for this purpose.