This 5 ream box of Nu Copier Paper is A4 in size and contains 500 sheets per ream of high quality paper that is perfect for multi-purpose use in offices, at home or in classrooms.The smooth paper surface allows for great toner transfers making the copy as sharp as the original. This paper is 70gsm and ideal for photocopying as well as laser and inkjet printing.. A4. 70gsm. 500 sheets per ream. Box of 5 reams. Ideal for photocopying, inkjet and laser printing and general use. Brightness 92%. Whiteness 137%. PEFC certified