Package Includes 1 pcs of MODAL mouth masks. It's made of high quality modal fabric, 2 layer modal blend, hygroscopic and breathable. One size fit most. With stretchy ear loops for closely fit, preventing leaving trace on your face after taking off, easy to wear and take off. Face mask windproof mouth is perfect for daily wear to protect you from droplets, smog, dust, ash and more. These mask are NOT ANTI-VIRAL. It is not a cure, it simply helps. The fabric is amazing! Wearing this face mask, you could be protected from dust, small particles, air pollen and much more.