Lightweight and breathable, this top-quality filtering material is perfect for face masks! Use this filter material in conjunction with tightly-woven quilting cottons for a stylish design and good quality filtration.
Polypropylene is a safe material to use as a filter between two pieces of cotton or linen fabric. According to the Government of Canada, face masks should be made of at least 2 layers of fabric with one filter (such as non-woven polypropylene fabric) in between (3 layers of material in total). Filters, such as non-woven polypropylene, add extra protection by trapping small particles of infectious material
