100% Cotton Reusable Triple Layer Cloth Face Masks with Inner Pocket for Additional Filter & air vent / respiratory valve for easy breathing | 100% cotton fabric, triple layer mask: cotton layer, cotton fibers layer (middle layer) and woven fabric layer (pocket filter)| Comfortable & breathable for extended wear| Adjustable elastic ear straps| Hidden form-fitting nose clip| Inner pocket designed for extra filter| Smooth breathing with one-way breathing valve| Mask is machine washable