OEM Hammermill CopyPlus Paper, featuring 500 sheets per ream. This multipurpose office paper is suitable for high-speed copiers, dry toner plain paper copiers, plain paper fax machines, and offset duplicators. It is ideal for general copying, internal documents, and backup hard copies. The paper's good opacity minimizes show-through, while its flat, even surface ensures consistent ink and toner receptivity. Additionally, this 20 lb. office paper is acid-free, making it suitable for archival use.