Only the "OFLY DIRECT" store sells genuine "MEDLYNA" masks【Breathable and comfortable face mask to wear it all day】Masks are made with super high-quality material and very soft. You're not feeling hot in the summer. They didn't have any smell and no skin irritation. No latex or fiberglass. | 【Featuring 3 filter layers for maximum protection and safety】The 3 Ply face mask includes soft melt-blown nonwoven that stopping any number of particulates from entering your mouth and nose. Ideal for use running errands or visiting public areas such as grocery stores, pharmacies, parks, post offices, etc. | 【The high elastics adjustable earloop fits comfortably, not tight, not break】Around the mask are all molded and super adhesive ensures that the elastic straps will not break. Extra soft elastic ear loops with non woven skin-friendly fibers are designed to fit the ear without excessive strain. Designed to both adults and kids. | 【The flexible metal strip embedded in the top of the mask assures a secure fit around the nose】The nice seal limiting the intake of potential contaminants. The mask has 3 pleats so it adjusts comfortably from nose to under the chin and seals well enough on the side. | 【The mask is sealed completely which made it more safer】All disposable masks are sealed in a sterile vacuum plastic bag inside the strong box. Effectively blocks dust, droplet, smoke, pollen, irritants and particles. If you're looking for some masks for daily use, these are for you. They are well made, and thick. Buy it! You will not be disappointed! We ship from the USA. If mask breaks, return it and we'll replace it for free. You can shop with peace of mind.