The Portable Printer continuous Heat Shrink Labels in Yellow are made of Military-Grade Polyolefin. They measure 0.25" (6.4 mm) Diameter, 8' (2.4 m) Length, and 0.44" (11.2 mm) Width and have a wire range of 16–10 AWG. The Fast-Loading MP Label Cassette includes both Label Material and Ribbon for Easy Label Changing.