Hammermill Laser Print Office Paper, 98 Brightness, 24Lb, 8-1/2 X 11, White, 500 Sheets/Rm Hammermill's Electronic Imaging Guarantee  works in a variety of machines. Runs on small and large offset presses, copiers, laser printers and plain-paper faxes. 98 brightness for excellent print contract and true color reproduction Heavyweight for a professional look and feel. Ideal for 2-sided printing  resists ink show-through 99.9% jam-free performance for worry-free results Acid-free paper won't yellow or fade over time