Disposable surgical mask 1.material:PP nonwoven 2.Size:17.5*9.5cm 3.Color:Blue,white,green 4.Certificate: ... ISO,CE,FDA,GOST PP 2-ply face mask, elastic typeColour ... : White, Red, Blue, Green, Yellow, GerySize: 14.5x9cm / 17.5x9cm / 21x9cmMaterial: 20x25g ...