Get large shipping and mailing projects out the door quickly and easily with these White Shipping Labels featuring TrueBlock Technology. These bright-white labels with permanent adhesive completely block out any writing underneath so your boxes and envelopes have a neat, professional appearance every time. The number of jam-free, smudge-free labels is perfect for all your high-volume projects. Easily customize with your logo or graphics using free online designs and templates. Then just print using your laser printer and ship.