Let your imagination run wild with the possibilities—design, print and cut your own business cards or streamline your marketing efforts by printing your own postcards and mailers. Featuring ColorLok® technology, this card stock delivers bolder blacks and brighter, more vivid colors when paired with inkjet printers, while ensuring better overall quality and performance when paired with laser printers. Index paper operates smoothly in copiers, inkjet printers and laser printers, so your employees don't have to worry about putting the wrong stock in the wrong machine. Acid-free and 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.