Airhole Advanced Daily Face Mask Black 22 Made from a sturdy poly-cotton

Made from a sturdy poly-cotton twill for durability

the rest of the sizes are in adult sizing

only a stop button

and bearing spacers

It can be used in multi layers and is backed with hard shell caps for a solid performance

Airhole Advanced Daily Face Mask Black 22 Made from a sturdy poly-cottonMultiple 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