Disposable KN95 mask, made of high quality material, safe, soft and comfortable. The dust face mask perfect for those who are pollen allergy, workshop/plant/mow/woodwork/cleaning/contruction site workers, painters, etc.. And suitable for bicycle,hiking,running and other outdoor sports. Particulate Respirator mask is made of high quality cotton and non-woven fabric, which is non-irritating and non-allergenic to the skin. Its filtration efficiency (dust-removing rate) is more than 95% for non-oily particulate matter above 0.075 microns, and the filter material is harmless to the human body. Ergonomically designed for excellent fit. Always use both straps on the mask to hold it in place to keep air from leaking around it