Copy Plus printer paper is an economical paper designed for everyday use at offices large & small. Offering dependable performance on all office machines, you'll want to have plenty of this dependable paper on hand for everyday, general office use. It works well in high-speed copiers, dry toner plain-paper copiers & fax machines. ColorLok for bolder blacks, brighter colors & faster drying. Backed by the 99.99% Jam-Free Guarantee. Acid-free material prevents yellowing over time to ensure a long-lasting appearance. Sheet / Roll Size: A4; Paper Basis Weight (lb): 20 lb Bond; Paper Grade (gsm): 75 gsm; Paper / Media Thickness (mil): 4 mil.