Bests & Worsts Reviews from Amazon

IMHO, origami shaped face mask creates best seal around the face with it's adjustable nose bridge. Near all individually packaged KF94 origami shaped mask sold on Amazon are between $1.60 to $2.50 a piece.. at less than 40 cents a piece, these masks are an extremely good value! A few things the seller needs to update about these masks. 1. There is no active carbon layer between the inner two layers of material within these masks. 2. The mask is bulk packaged, not individually packaged in the aluminum foil pack like the other KF94 masks. 3. The 2 cotton layers mentioned in product description is in fact 2 layers of thin meltblown non-woven fabric. Each of the meltblown layer in these masks is about the same thickness of the meltblown layer in the common 3 layers disposable mask. Because these masks has 2 thin layers of the fabric, it actually offers a meltblown fabric filter medium that is as thick as a $2.00 KF94 masks... what these mask lacks is an "rigid" electro static layer that is in the more expensive KF94 masks. If you end up buying these masks, you have to treat these masks as a really good quality "3" layers mask... not a K94 4 layers masks. I still highly recommend these mask as an alternative to the other KF94 masks and the regular 3 layers mask because of the price and the quality. These masks has no annoying odor, they'll conform to your face's contour much better than the other types of mask, plus the thick and comfortable ear-loop band, you should have no problem wearing them for an extended amount of time at work! * these masks are med-large,