In Stock OTG. USA, Ready to Ship 3-Layers of Filtration: our masks have 3 layers to protect for your everyday use; non-woven fabric, melt-blown fabric, and non-woven fabric. Comfortable wear: our masks have high elastic loops to help with long term wear, a flexible adjustable nose clip for a snug and secure fit, tri-fold material that extends down to cover the face from the nose to under the chin. Ideal for everyday use; schools, workplace, retailers, salons, indoor and outdoor. Shelf Life - 2 Years from Production FDA Registered and CE Certificate 50 pieces per box Precautions: The mask is not washable, only for one time use Ten-year Supplier to Government, Military, Hospitals, Suppliers, and Vendors Simple SOP: Purchase Order, Payment, and Ship