The Reflex Ultra White 80gsm A3 Copy Paper 500 Sheet Ream is ideal for everyday printing, delivering premium results and a perfect performance every time.1  Built-in curl control supports trouble-free feeding through all types of printers and copiers.he Reflex Ultra White 80gsm A3 Copy Paper 500 Sheet Ream is ideal for everyday printing, delivering premium results and a perfect performance every time. 1  Built-in curl control supports trouble-free feeding through all types of printers and copiers.