Create professional-looking labels quickly using Internet Shipping Labels with TrueBlock Technology. Labels with TrueBlock completely cover everything underneath so you can reuse mailing tubes, boxes and more. Bright-white labels have permanent adhesive and are jam-free and smudge-free. Perfect for creating professional-looking mailings, shipping, bar-coding and organizing, labels are optimized for use with both laser and inkjet printers. Personalize with free, online templates and designs. Each sheet includes two labels (5-1/2" x 8-1/2"). Each pack contains 20 labels.