Avery Blue File Folder Labels for Laser and Inkjet Printers with TrueBlock Technology, 2/3 inches x 3-7/16 inches, Box of 1500 (5766) Create Professional-looking file folder labels for Easy and quick file identification Labels with true block completely cover everything underneath so you can re-use mailing tubes, boxes and more Bright white labels have Permanent adhesive that sticks without lift or curl