Colour: Grey - pack of 5 masks. These masks have a 3D structure for easy and comfortable breathing. Featuring a 4-layer antistatic filtration system. The premium nose bar and strong but soft elastic ear-loops ensure a tight seal to minimize leakage and enhance the wearer’s protection. Independent testing shows this mask blocks over 99% of all microparticles, such as the COVID-19 virus. Composition: Nonwoven fabric (outer, filters, lining). Polypropylene (nose bar), nylon string ear-loops. Class 1 Medical Device Certification. KF94 Mask FDA Registered. CE Certified. Made in South Korea in an ISO 9001:2015 certified factory. Hypoallergenic and anti-fog properties. Individually packed to maintain sterility. MADE IN KOREA. THIS PRODUCT DOES NOT CONTAIN GRAPHENE.