Cotton Mask Activated Carbon Filter Respirator Mouth-muffle Anti-fog PM2.5 MZ Material: Made of high-quality ultra-soft cotton, breathable, windproof, sweat-absorption, comfortable and skin-friendly. One Size fits all - Adults and Kids Features: -Washable: The mask shell can be washed when they get dirty and the filters are replaceable. -Replaceable: Replaceable active carbon filters removes over most dust, fumes, pollen, haze, chemicals etc. Package:1 x Cotton Mask, 2 x Activated Filter