High bright paper makes full use of ColourLok Technology to provide more vivid colours for richer, brighter images and graphics, bolder blacks for crisp sharp text, and faster drying for less smear and faster handling time. You get consistent, reliable results in standard copy machines and inkjet and laser printers.  While ordinary copy paper offers a brightness of 92, High bright gives you a full 98 brightness, no show-through for double sided copying or printing, clean cut edges, clean dust-free surface and controlled moisture content to prevent curling.  500 sheets per package.  SFI certified. Size: 8 1/2" x 11".