Sell Anti-fog and Dust-proof Breathing Valve Cotton Mask Breathing Valve Pluggable Filter Cloth Masks Washable Masks best price

Product Description Face mask made of soft cotton material, breathable, washable and reusable. With adjustable nose bridge and hook strap, fit a variety of face, easy and comfortable to wear. Haze mask fitted with a breathing valve that automatically opens and closes, allowing you to breathe smoothly. New Lab tested filtration technology filters over 95% of pollution, apply to PM 2.5, haze, dust, pollen, viruses, bacteriaand and other protection. Description: Features: 1.Cotton fabric, comfortable and soft 2.Breathable, washable and reusable 3.The length of widened and high elastic earband can be adjusted at will Specification: Material: cotton Mask size: about 9 x 5.5 inches How to Use: 1.Cover your nose and mouth with a mask 2.Adjust the buckle on both sides of the mask to the best position 3.Adjust the nose clip to fit your nose