Rainbow on one side and white maple leaves on the other
 
Now 3-layer with washable, reusable filter included.
These reversible masks are made from 2 layers of 100% cotton and have a pocket for the included filter. (Available here) if you want extras.
 
The Public Health Agency of Canada (PHAC) and the World Health Organization (WHO) now recommend wearing a triple layer mask. Check here for Government of Canada recommendations about the appropriate use of non-medical masks.
 
 
Petite Adult / Youth size: 5" x 7" with 6" soft elastic loops - fits small adult face & kids 8+.
 
Medium size: 6" x 9" with 7" soft elastic loops. This is an average size fitting about 90% of folks.