Office Depot White Laser Labels, Shipping, 3 1/3" x 4", Box Of 600 (Same as Avery 5164: 3-1/3" x 4" shipping labels. Bright white labels for professional results. Reuse mailing tubes, boxes and more since TrueBlock covers handwriting, preprinted labels, markings and more. Smudge free and jam free for perfect labels every time. Easy to use with free Avery templates and software (see product package for details). Designed for laser printers. Guaranteed printer performance.