Dear Sir Madam, Size:A4 Color:White Brightness:102%-104% Certificate:ISO 9001:2008 A4 Copy Paper Material:100% Virgin Wood Pulp Item:Golden Star copier paper CIE Whiteness:160-167 Basic weight:70 80 Gsm Sample:Provide Packing:500 Sheets Grammage:80 G m Product name:Golden Star A4 Copy paper