Our 80lb (216gsm) heavyweight Desktop Publishing Supplies Brand business card paper is both Inkjet and Laser compatible. The 80lb white heavyweight Stock may be too heavy for some laser printers but will work great on most inkjets. Our blank business cards are created with the standard layout and are compatible with all major software. These blank business cards are microperforated and are printable on both sides. Each sheet measures 8 1/2" x 11". Made from 80lb (216 gsm) white blank business card stock. 10 business cards per sheet.