Xerox Premier White Paper - A4, 90 g/m², White, 114±2 µm, 91%, 500 sheets, ECF Xerox Premier White Paper - A4. Media weight: 90 g/m², Product color: White, Printing media thickness: 114±2 µm. Media sheets per package: 500 sheets, Bleach type: ECF, Printing material whiteness: 165±3