Avery Laser & Ink Jet Index Card featuring ultra-fine perforations allows you to separate cards easily and cleanly. White card measuring 3 x 5 in. is uncoated, consistent, easy to read and easy to update. Sheets for laser and ink jet printers must measure 8-1/2 x 11 in. Custom printed index card is perfect for recipes, homework, filing and is 150 per pack.