[MADE IN KOREA] Designed and manufactured by a medical device specialized manufacturer with over 20 years of operation [3-PLY PROTECTION] Composed of waterproof outer cover, Melt-Blown media for fine dust filtration, and breathable non-woven inner lining [ERGONOMIC 3D DESIGN] Unique 3D ergonomic design with tri-folding structure provides a mask in shape. The face is less in contact with the mask, making it easier to breathe and keeps it clean [BROAD USAGE] Ideal for everyday use, such as pollen, allergies, car exhaust, smoky weather, maintenance work, outdoor walks