Freefa Face Bandanas Rreuseable and Washable with Breathing valve Five-layer Activated Carbon Filters Replaceable Haze Dust Face Health for Adults.Ship from USA! (2Black?+4Vavle?+6Filter?)

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.