MACO Laser/Ink Jet White Address Labels are designed for use with any desktop laser or ink jet printer. These permanent adhesive labels are ideal for bulk mailings, identification and organization. They are acid-free - safe for archiving and lignin-free - won't yellow over time. Label Size: 1 x 2-5/8 inches. 30 per sheet, 7500 labels per box. MACO has been providing quality products to the business community since 1916. Their office products truly offer a blank canvas for creative business solutions.