1. Open your mask and keep your skin dry
2. White side facing your face with the nose bridge on upside.
3. The ear rope is hung around the ears to make the strength on both ears uniform.
4. Adjust the mask size and extend it up and down to completely cover the nose and mouth.
5. Adjust the nose bridge to place the mask close to the face, if the wearer feels too long , please knot the ear rope.
Product Name: Disposable four-layer activated carbon mask
Material: 1): SS grade 25g protective isolation non-woven fabric
2): BFE≥95 filter 25g Meltblown cloth
3): Black activated carbon layer
4): SS grade 25g skin-friendly non-woven fabric