AVOID! Item charged, not shipped, seller won't respond. Masks are mediocre.
Avoid. Seller did not ship all items that I paid for. I contacted customer service, and they said they would ship the item. It's been more than a week since then and they have stopped responding. I'm disputing the charges but want others to know of my poor experience. In terms of quality, the masks aren't great. They don't seal well for me, and are difficult to breath through and almost impossible to speak through. Only 2 sizes are actually made- 'child / small' and 'medium / large.' That's pretty ridiculous since essentially there's one size for all adults. Predictably, fit isn't great unless you perfect match the mask's shape. The consensus seems to be that Envo masks are much better, providing a vastly superior seal (better safety), more comfortable fit, and larger filter material that allows for easier breathing. Don't believe the hype from the NY Times article that this company keeps flogging. They're not ready for primetime, especially their crappy customer service.