Freefa Face Bandanas Washable and Rreuseable with 2pcs Breathing valve and 6pcs Fivelayer Activated Carbon Filters Replaceable Haze Dust Face Health for AdultsShip from USA Black

Not tissue, carbon filter layer activated. With unique ventilation design, excellent breathing permeability.Aair resistance is less, breathing smooth. Suitable for motorcycles, bicycles, racing, skiing. Characteristics Material: Cotton and polyester fiber Size: 13x5x0.5cm Adjustable dust-proof nose clip, flexible and comfortable. Not tissue, carbon filter layer activated. With unique ventilation design, excellent breathing permeability. Ergonomic design, cycling C-over can be adjusted to suit most people. Suitable for home decoration, running, cycling, hiking, skiing, carpentry and other outdoor activities, this anti-pollution C-over can also be used haze day protection, anti-dust etc.