Dear Sir Madam, Size:A4 Quantity in one pack - not less than 500 sheets. Size (format-A4) 210 * 297 mm, class "C". Qualitative characteristics: Thickness not less than 104 microns; Stiffness MD not less than 125 mH; Density 80 g m2; Whiteness not less than 146% CIE; ISO D 65 10 brightness not less than 105%; Hum less 4.6%; Opacity not less than 91%