DH FFP2 Premium Reusable FF2 Mask - Protective 5 Layered Filtration with Melt Blown and Hot Air Cotton Layers | Digital Hub | Washable | Proudly made in Bharat - The FF2 mask is made of 4 layers of non-woven fabric, 2 layers of melt-blown fabric. Non-woven fabric is skin-friendly, non-irritant, non-toxic; melt-blown fabric features high-efficiency infiltration; super soft hydrophilic non-woven helps absorb the moisture from the breath offers more protection and comfort to users. It also filters 99.9% PM 2.5 pollution particles which protect from everyday dust and pollution also.