Multiple layers of fabric means less chance that respiratory particles can pass through the mask. Thicker, denser fabrics do a better job than thinner, loosely woven or knit fabrics.
Trying to blow out a candle can illustrate how respiratory particles can travel through different types of mask fabrics. This video demonstrates how some fabrics work better than other to hinder respiratory air particles.
Please note that our masks are not designed as a replacement for N95, surgical or medical grade masks.
Due to the nature of the product this mask is excluded from our returns policy.