50 pcs. in each box. Wrap-around design with full coverage that comes in 3 layers of protection with soft, comfortable, and breathable inner layer. Adjustable nose strip and stretchy ear loops allow easy to follow functionality for adult use at home, office, outdoors, workplace, etc. The masks can filter airborne particles, isolate droplets, saliva, etc. It can protect the nose and mouth from aerosols, liquid splashes, chemical pollutants, dust, automobile exhaust, and pollen. These masks are also intended to be disposed after use. For safety and sanitary reasons, items cannot be returned and resold.