This is not a medical device or personal protective equipment The mask is not used as protection against infections or other pollutants or for use in healthcare or as occupational safety 100% Cotton Soft, 3-layer material Rubber inserted in weave and sides to give stretch and relaxation and improve it Washable up to 60°C and reusable Breathability, permeability and filtration tested in an accredited independent laboratory (filtration is more than 70%) AFNOR standard certified (French standard)