This is a multi-purpose paper that runs well on copiers, laser and inkjet printers and plain paper faxes. Hydrogen peroxide is used, instead of a chlorine bleaching process, to bring this paper to an 84 brightness. It is also acid-free, so it won't fade or discolor, making it excellent for archiving and storage. This paper is PCF, Processed Chlorine-Free. 500 sheets to a ream. Made from 100% recycled fiber, 30% post-consumer recycled fiber.