High Bacterial Filtration Efficiency. High Particulate Filtration Efficiency. 3 Layer Protection. Soft borders around mask for endless wearing comfort. Low heat build-up. Comfortable elastic ear loop. Adjustable metallic nose clip to suit all face contours. Innovative split vertical panel for a perfect face fit maximum mask face coverage for utmost safety. Convenient flat-fold design for easy storage. Washable upto 30 washes and reusable. Accommodates all facial movements.