Suitable for respiratory protection , Outdoor activities, yard work, cleaning, public venues, workplaces and hospitals. Larger fit for better protection Elastic Ear Loop closure 4-ply face masks most surgical masks are only 2 or 3 layers Made in Taiwan A whole layer of activated carbon nonwoven for deodorizing Each mask in this box is individually wrapped Non-woven fabric filtration, meltblown, and activated carbon filtration Twin wire adjustable nose wire ensures custom shape Disposable adult masks to carry in your purse, backpack, car, gym bag, or even in your pocket Innermost layer is super soft and gentle on the skin, and an outer leak-proof layer covers the high-density filter FDA Registered Sealed in packs of 5. Flat, twin wire with adjustable nose piece to endure good fit. 4 Ply filter - 1. Outer layer - water resistant 2. Activated carbon, absorbs smells and odours. 3. Meltblown layer for fine dust and pollen blocking. 4 Inner layer. Sweat absorbing 99% bacterial filtration efficiency (B.F.E) FDA Registered 50 Masks per box / 40 boxes per carton (2000pcs)