These non medical masks have three layers of fabrics (cotton and poly-cotton jersey), based on study made on material efficiency. The masks can be hand-washed or washed in the washing machine and dried in the dryer.
The masks are based on: https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/?fbclid=IwAR0u6nN_5ammNQCuW6NDvvsnNYYftn5CHsysErK-kjvnoBmq-x0GgBSgsIA
XS : Kids of 5 years and less
S:Kids over 5 years and women
Made in Québec by Alice et Simone.