Vircast Medic Fasionable Premium Face Mask is made of non-woven fiber fabric, soft and breathable, provides effective protection, They are hypoallergenic, non-toxic, and suitable for sensitive skin. Outer layer: spun-bonded non-woven fabric with an anti-foaming design. Middle layer: melt-blown cloth, which can filter fine particles and bacteria. Inner layer: EXTRA SOFT spun-bonded non-woven fabricKEY FEATURE. ASTM Level 2, Bacterial Filtration Efficiency (BFE): > 98% (Latest ASTM F2101 test report on 21 Sept 2020 shows BFE >99.9%), Particulate Filtration Effiiciency (PFE): > 98%, Fluid Resistance (FRI): 120 mmHG, Breathable & Skin-Friendly Non-woven Fabric. One pack onsist of 3 colors: Smooth Pudding, Violet Rhyme and Ultramarine Blue. Made in malaysia.