Come and see our amazing products. Functional Active Mask uses high-performance nano fabric technology to protect the respiratory system from harmful substances and infectious sources. The micro dustproof fabric helps prevent the inhalation of airborne dust and other potentially hazardous particles. Built for comfort, this mask is in a category of its own, allowing for easy breathing without feeling stifled. Pls confirm further with us if any query about packing info, inventory status and time schedule.