Reflex Ultra A4 Paper has a smooth and ultra white surface so you can use it for both colour and monochrome printing. The built in curl control supports trouble free feeding and ensures that your printing tasks are completed efficiently. This paper is 80 gsm which makes it perfect for a variety of uses in the home or office. It's A4 size which makes it convenient for everyday use. There are 500 sheets in this ream. It has a CIE Whiteness of 160 for black and white and colour printing.This paper is FSC certified which makes it a great option for those who are environmentally conscious.