<br>Product Description： <br>Arrive time：8-20 days <br>50Pcs Face mouth Quality 3-Ply New <br>Filter item helps decrease the transmission of flu. Keep your friends, family members and others from contracting your cold <br>The product is Breathable fabric . Air permeability, <br>Hypoallergenic.They are able to block dust and it will not cause tension or anaphylactic reaction for long-term wearing. Smooth cloth is adopted to reduce the falloff of fabrics, which is maintenance-free, convenient, practical, safer and more healthful. <br>Please note: <br>When wearing it, do not excessively pull the strings at both sides or they will break.