<b>Material</b><br>High quality polyester, very soft, breathable, reusable and washable.<b><br><br>Design</b><br>The adjustable ear loop strap has good elasticity, which can reduce the pressure of the ear cord on the ear. The nose clip can ensure that the mask fits your face perfectly and makes it more comfortable.<b><br><br>M-shaped nose clip</b><br>The adjustable M-shaped nose clip allows you to adjust freely according to the shape of your face, making it more comfortable to wear, and also prevents fogging of the glasses.<b><br><br>Protection</b><br>Protect you and your family from dust, pollution, ashes ,fog, car exhaust, allergic substances.<b><br><br>Size</b><br>5.9*7.9in（15*20cm）<b><br><br>Note</b><br>Although it has an internal pocket to insert the filter element, the product does not contain the filter element.<br>Due to different measurement methods, there may be an error of 1-2cm, which is normal.