✅ 100% Original From Korea ✅ Lightweight: Only 4.38 grams; Lighter than a sheet of paper ✅ Breathable: Made from Nanofiber Filter ✅ Comfortable: Ergonomically designed mask equipped with a durable elastic ear loops ✅ Reusable: Research showed that the efficiency of nanofiber masks remain almost the same even after 10 reuses after spraying 70% ethyl alcohol ✅ Unisex: Features a wide nose support design, perfect for any facial shape ✅ Individually packaged for maximum safety ✅ 100% Safe: The Nanofiber filter is produced in a certified clean and sanitary facility ✅ FDA Approved; Manufactured in South Korea by TOPTEC, a KOSDAQ listed company