What do our masks differentiates from others: - 6 layers of non-woven, hot air cotton, Melt-blown, Nano membrane, SMS fabrics filter more than 95% of particles, bacteria, viruses that is greater than 0.1�µ, eliminate the cause of respiratory and cardiovascular diseases. - A sponge strip located in the innermost layer, at the bridge of the nose, creating a soft, comfortable feeling, not irritating the skin, preventing micro dust. - Ear-loop adjusters help the facepiece be tight to different face sizes. - The plastic bar is hidden in the fabric to ensure it is easy to bend and retains its shape after bending, helping the mask to hug the face, preventing dust. - The masks are washable and reusable - Style & Fashion: Mona Mask is suitable for both men and women. When going along with clothes, Mona Mask can help you create your own style.