3 PLy mask With Following Layers 1. Hydrophobic 25 GSM (Top Layer to repell Kiquied) 2. Melblown 25 GSM ( High Level Filteration Layer in centre) 3. Hydrophilic 25 GSM (Bottom Skin Friendly Layer to Absorb Liquid) The whole Mask is made of Ultrasonic Welding With Built in Metal & Plastic Nose Bridge for Shape and Saftey Extra Soft Ear Loop For Safety.