HP Office20 (formerly HP Office Ultra White Printer Paper) was created specifically for high-volume printing and copying. HP Office20 provides higher print contrast, so everyday business documents look brighter and sharper than ever. with HP's rigorous multi-step qualification process, you can be assured of consistent, high quality performance, reliability, and great value. Stand out and impress with every print! Optimized for quality performance in all makes and models of printers and copiers. ColorLok Technology provides vivid colors, bolder blacks, and faster drying. Acid-free for archival quality that extends the life of the document. Forest Stewardship Council (FSC) certified Why HP Papers? HP means quality, reliability, and value and that means your paper will be perfect for trouble-free printing, saving you time and money. HP Papers is a premium line of uncoated cut-size papers scientifically engineered and tested to work across all makes and models of printer and copier equipment. HP Papers are optimized to provide superior print performance when used with HP hardware and supplies.