Created specifically for your LabelManager and LabelWriter Duo label makers, authentic DYMO D1 labels deliver the high-performance you need to handle most labeling jobs. D1 labels adhere to nearly all clean, flat surfaces including plastic, metal and glass, and feature an easy-peel split backing for fast labeling and easy organization. Designed to take the hassle out of home and office organization. Label Size - text: 0.5" x 23 ft; Label Color(s): White; Machine Compatibility: DYMO LabelManager: 160, 210D, 280, 360D, 420P, 450, 500TS, PC, PnP, and COLORPOP!; LabelWriter 450 Duo; Text/Label Colors: Black Print on White Tape.