The Portable Printer Continuous Heat Shrink Labels In White Are Made Of Military-Grade Polyolefin. They Measure 0.19" (4.7 MM) Diameter, 8' (2.4 M) Length, and 0.34" (8.6 MM) Width and Have A Wire Range Of 18–12 Awg. The Fast-Loading MP™ Label Cassette Includes Both Label Material and Ribbon For Easy Label Changing.