Breathe E-z "Pleated Earloop Mask" (Blue) Fluid-resistant masks contain a soft, 3-ply, pleated material for ultimate "cool-breathing" comfort Made with a fiberglass-free material and a latex-free elastic ear-loop to provide maximum comfort Our easiest mask to breathe through yet they have a BFE and PFE of greater than 99% Provides primary barrier filtration 50/Box