Create your own high-impact designs on this premium-quality card stock. Micro-perforated for easy separation and guaranteed perfect edges every time. Cards wont jam. For use on your laser and inkjet printers. Compatible with most label printing software programs. Acid-free and lignin-free. Ruling: Plain; Card Size: 3 x 5; Color(s): White; Card Quantity: 150. Includes 150 index cards.