Disposable surgical mask 1.material:PP nonwoven 2.Size:17.5* ... -ply face mask, elastic typeColour: White, Red, Blue, Green, Yellow, GerySize: 14.5x9cm / 17.5x9cm / 21x9cmMaterial: 20x25g Non-woven FabricDisposable surgical ... ,cleanning room,food making and so on.Material:Face mask is makde of PP nonwoven,Regularly it is 3 ... ply is also make of 20Ggsm PP nonwoven. Disposable non-woven PP 2-ply face mask