LetraTag - Plastic Tapes. DYMO LT labels are specifically designed for the LetraTag label printer. They come in easy-to-load cartridges and feature a peel-off backing for effortless application. These plastic tapes are colorful, tear-resistant, and easy to handle, adding brightness to your productive DYMO tagging. Dimensions: 12 mm x 4 m. Application: for LetraTag QX50, XR, LT-100H, LT-100T. Features: good adhesion, suitable for a variety of uses, tear-resistant, wipeable, and durable.