<p>Face Mouth Cover Can Effectively Block Haze, Industrial Emissions, cigarette Smoke, vehicle Exhaust Other Harmful Gases In The Air, Protect Human Health. They Are Suitable To Wear When Going Outside, Shopping, Cycling, skiing, Jogging, Bus, Subway Etc. <br><br><strong>Specification: </strong><br><br>Product Weight: 1.06 oz <br><br>Material: Polyester <br><br><strong>Material Characteristics</strong> <br><br>1.Polyester,comfortable And Soft <br><br>2.Breathable,washable And Reusable <br><br><strong>How To Use </strong><br><br>1.Cover Your Nose And Mouth With A Mask <br><br>2.Adjust The Buckle On Both Sides Of The Mask To The Best Position <br><br><strong>Matters Need Attention </strong><br><br>Do Not Put It In The Washing Machine With Other Clothes.Children Under 3 Years Of Age Have Low Vital Capacity And Are Not Recommended For Use.</p>