?????Medical Grade?ZyeZoo Medical Mask is approved by ?F=D=A, this is high quality certified Face Masks. this is the best choice for home, travel, school, hospital. ?????3-Layer Protection?ZyeZoo medical mask is made of spun-bound and Melt-blown polypropylene, it effectively protecting the wearer's nose and mouth from contact with droplets, splashes and sprays. 3 ply filter mask brings multiple protection for your family's. ?????Soft & Comfortable Design?Adopts extra-soft elastic earloop design can eliminate your ear's pressure and providing a secure hold. While the flexible built-in plastic nose band adjusts to conform to the face, providing needed safety barrier. ?????Effective Filtering?BFE?95%. it can filter airborne particles dust, chemicals, smoke, car exhausted gas, PM 2.5 pollution ash, etc. ZyeZoo Medical mask to ensure you are protected from air pollution. ?????Notice?Please wash your hands before putting on a mask or do not touch the inside of the mask during use to reduce the possibility of mask contamination. ??Hold mask with the blue side facing out and nosepiece up. please replace the masks every 4 hours. No Reuse. Please put the mask in the trash after use.