<br><b>Specification</b><br> <br>Product Weight: 0.23 LB<br> <br>Adult Size: 5.9x7.9 Inch<br> <br>Material Characteristics<br> <br>100% Polyester Fabric, Comfortable And Soft<br> <br>Breathable, Washable And Reusable<br> <br>The Length Of Widened And High Elastic Earband Can Be Adjusted At Will<br> <br>Activated Carbon Filter Should Be Replaced Once Or Twice A Week<br> <br><b>How To Use</b><br> <br>1.Open Face Cover Insert One Activated Carbon Filters<br> <br>2.Cover Your Nose And Mouth With A Cover<br> <br>3.Adjust The Buckle On Both Sides Of The Cover To The Best Position<br> <br>4.Adjust The Nose Clip To Fit Your Nose<br> <br><b>Package Include:</b><br> <br>1 X Reusable Cover<br> <br>2 X Activated Carbon Filters<br>