Non-woven materials, fiberglass free,hypoallergenic.,excellent breathability, high filtration, light weight.Aluminum bar or plastic bar with inner netal for adjustable nosepiece. Available in flat elastic,round elastic, latex-free elastic,etc.
Greatcare also supply 1 ply, 2 ply, 3 ply and 4 ply face masks and more other colors can be choosed.