<p>Activated carbon face mouth product can effectively block haze, industrial emissions,cigarette smoke,vehicle exhaust other harmful gases in the air</p> <p><strong>Specification</strong></p> <p>Material: Cotton</P> <p>Size:Length:8 inches,Width:5 inches</p> <P>Product weight: 18g</p> <p><strong>Material characteristics</strong></p> <p>1.Cotton fabric,comfortable and soft</p> <p>2.Breathable,washable and reusable</p> <p>3.The length of widened and high elastic earband can be adjusted at will</p> <p><strong>Customer Service</strong></p> <p>If you have any problem of our product, you can click “seller contact” button in your Amazon account to email us. We would be delighted to help you and we will reply as soon as we can.</p>