This Personal Protective Equipment has been specifically engineered for use in all walks of life. Our masks are carefully packaged in an Open Top Safety Box. The intricate 4-layer design allows them to be versatile in both indoor and outdoor settings. Each 4-layer mask has been strategically tailored to provide comfort and relief when worn, while also providing breathability TOP QUALITY: All our masks are FDA registered and meet ASTM F2100-19 STANDARD for medical face masks. Our masks are effective at filtering dust, odor, automobile exhaust, and particulate matter. STERILIZED INDIVIDUALLY WRAPPED: Manufactured in Vietnam in a highly sterile environment our masks are Individually wrapped. This ensures each mask remains sanitary perfect for sharing with family and friends. COMFORTABLE: Made with smooth, comfortable non-linting materials that are soft on the skin the highly breathable layers remain cool, even during long periods of use. Extra-long ties make donning our masks easier. SUPERIOR PROTECTION: Resistance to breath (Delta P) 23.IPa/cm, High particle filtration efficiency our 4-layer Disposable Face masks have a 99.5% filter effect. FOUR COLORS: Each box contains 50 individually wrapped masks and are available in 4 colors White, Blue, Grey and Black