Let your imagination run wild with the possibilitiesdesign, print & cut your own business cards or streamline your marketing efforts by printing your own postcards & mailers. Featuring ColorLok technology, this card stock delivers bolder blacks & brighter, more vivid colors when paired with inkjet printers, while ensuring better overall quality & performance when paired with laser printers. Index paper operates smoothly in copiers, inkjet printers & laser printers, so your employees don't have to worry about putting the wrong stock in the wrong machine. Acid-free & elemental chlorine-free. Vellum Bristol. Sheet / Roll Size: 8.5 x 11; Paper Basis Weight (lb): 67 lb Bristol; Paper Grade (gsm): 147 gsm; Paper / Media Color(s): Bright White.