Breathable Material: - The face mask is made of high-quality non-woven - Breathable fabric with a stronger filtering effect and is more safe, soft, - Skin-friendly, and easy to use; - Made of Meltblown Non-Woven Fabric: - 2+1 (Filter Layer = Meltblown 25g BFE99) Ply Super Filter Pollen Dust and Bacteria - 50 x DMM-NS masks per box What's in the box Each Box Contains: 50 x DMM-NS Size of the Box: 19.5CM x 10.5CM x 8CM