3 Layers: 1 layer melt-blown fabric + 2 layers non-woven fabrics with metal clip
Manufactured from nonwoven fiber in three breathable layers to give you added protection.
Filter mask helps decrease the transmission of flu. Keep your friends, family members and others from contracting your cold of flu.
The product is Non-woven fabric such as ultrasonic heating, spot welding and banding with processes, Cellulose and paper / plastic-coated carbon steel, Disposable. Air permeability, 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 wash-free, maintenance-free, convenient, practical, safer and more healthful.
When wearing masks, do not excessively pull the strings at both sides or they will break.