T ctive at reducing exposure to dust, pollen, mould, dander and lint. It filters 83% of particles down to one micron. No dyes or bleach have been used on the organic cotton. Adjustable non-organic, natural cotton twill ear loops hold the mask in place effectively sealing the area from pollutants. It is naturally latex-free.
There is a possible 3-5% shrinkage if washed or dr