Premium Cover Paper is HP's heaviest laser paper, with a sturdy business quality look and feel. Developed specifically for color laser printing, it is designed and tested for excellent print quality and reliable performance. 96 brightness for better contrast and richer, more vibrant colors. Matched the brightness of HP LaserJet Paper, Hp Color Laser Paper and HP Soft Gloss Laser Paper. The brightness, heavy weight and color performance of this paper make it ideal for report and proposal covers, postcards and business cards, mailers, booklets, sales tools, manuals and signs. Designed for duplex printing performance and reliability. Minimizes jams and misfeeds for quality two-sided printing.