Pacsafe Silver ion face mask is a reusable and washable mask that provides reliable respiratory protection of at least 99% filtration efficiency against microbials and airborne particles. This mask is constructed with 5 different layers; each layers serves a specific function and ensures that the mask's performance can be retained after washing. These functions include directly inactivating microorganisms through antimicrobial materials, and electrostatically adsorbing microorganisms and particles to protect users.