Value-priced Tidal printer paper offers dependable performance at a reasonable cost, providing consistent runnability and image quality on all office imaging equipment. As it helps eliminate misfeeds, internal jams and uneven stacking, which means less downtime, service calls and missed deadlines, it's a great choice for your everyday office printing and copying needs. Backed by the 99.99% Jam-Free Guarantee. Acid-free material prevents yellowing over time to ensure a long-lasting appearance. Sheet/Roll Size: 8.5 x 11; Paper Basis Weight (lb): 20 lb; Paper Grade (gsm): 75 gsm; Paper/Media Thickness (mil): 4 mil.