BYD single use face masks come in packs of 50, which is perfect for daily use and distribution; 3 layers of soft, high quality non-woven fabric making it easy to breath and comfortable for daily use. These disposable face masks have elastic ear loops to easily fit and stay securely on your face. For adult use at home, office, outside, workplace, travel, etc. How to use: 1. Wash hands thoroughly prior to mask application. 2. Wrap ear loops around both ears. 3. Press nose bridge to provide a tight seal at the bridge of nose and pull bottom to below chin. Materials: 1. Inner Layer: Polypropylene spunbond nonwoven fabric 2. Middle Layer: Polypropylene melt-blown nonwoven fabric 3. Outer Layer: Polypropylene spunbond nonwoven fabric 4. Ear Loops: Polyester/nylon spandex blend 5. Nose Clip: Metal wire with plastic covering