1,non woven mask, 2,Material:Non-Woven Fabric, 3,Color:Blue,Green,White, 4,Certification:European CE. disposable face masks:disposable face mask:non-woven face masks:3-ply face masks:non woven mask:disposable non-woven face mask:non-woven surgical face mask:MaterialHigh-quality non-woven high-quality filter paperCraftsone-ply,two-ply,three-ply,four-ply,first-ply:25g-45g,Second to forth-ply:20g- ...