Create professional-looking labels quickly with these white shipping labels. They have TrueBlock Technology, which completely covers everything underneath so you can re-use mailing tubes, boxes, and more. They have permanent adhesive and are jam-free and smudge-free. Great for professional-looking mailings, shipping, bar coding and organizing. | Avery 2 5/8" x 1" Ink Jet Mailing Labels - 300 Pack - White