2 Layers of Material: The mask is made of 2 layers of high-quality non-woven fabric with a pocket to insert a third filter layer (we recommend PM2.5 filter inserts; it has a stronger filtering effect and is more warm and breathable.  Please consult a physician for proper use of fabric masks.
 
Please hand-wash your masks before use.

ONE SIZE FITS MOST PEOPLE: We are pleased to say that our face masks are suitable for adults.  These mask are reusable, washable, and will help conserve N95 masks for use by medical personnel.