breath face valve masks cotton reusable with pm2.5 mouth mask anti-dust washable mask wi v9cv 75hlc

reusable face mask with breathing valve with filter replaceble fashion protective mask filter pm2.5 washable in stock pure cotton, face protection, light and breathable, skin-friendly, adjustable elastic band, insert 5 layers of pm2.5 filter;uses: anti-odor, anti-dust, anti-gas, anti-bacterial, anti-pm2.5.