Copy paper is 8.27" x 11.69", A4-sized, 92 brightness, white, 20 lbs. weight, acid-free, and contains 50 percent recycled and 30 percent post-consumer waste material. UOI is BX. BX = 10 reams of five hundred (500) sheets.
Acid-free, archival-quality paper is less brittle, won't deteriorate over time.
Designed for use in high-speed photocopiers, laser printers, plain-paper fax or impact-type computer printers.