Gir Zim Costume What Would Be Good Fabric To Use For A Gir Costume?

What would be good fabric to use for a Gir costume? - gir zim costume

Halloween this year, my mother, a Gir costume (yes, Gir from "Invader Zim Nickalodeon of")
What materials would you recommend? I wondered, but I felt something other than the eye. . . brightest and sweet-ish rather blurry.